diff --git a/appapi.yaml b/appapi.yaml
index 9e85e2dfec012bc03ebd8e50b69ad42d22a83fc3..827826114d18d848a015079dd491d98bfe02b997 100755
--- a/appapi.yaml
+++ b/appapi.yaml
@@ -648,6 +648,34 @@ paths:
           description: User is denied to answer that roundquestion, either because that roundquestion has already been answered by that user or the user is not participant of the related duel. 
         '404':
           description: A roundquestion with that id does not exist.
+  '/duel/report':
+    post:
+      summary: Report a mistake in a question.
+      description: Endpoint to report a mistake in a question, its answers or its explaination.
+      parameters:
+        - name: question
+          description: ID of the falty question.
+          in: query
+          required: true
+          schema:
+            type: integer
+            format: uint32
+      requestBody:
+        description: Object with the contents of the report.
+        content:
+          application/json:
+            schema:
+              type: object
+              required:
+                - text
+              properties:
+                text:
+                  type: string
+      responses:
+        '201':
+          description: Report has been submitted.
+        '404':
+          description: There is no question with the given id.
   '/friend':
     get:
       summary: "Get a list of your friends."
diff --git a/endpoint/duel/endpoint.go b/endpoint/duel/endpoint.go
index a29f6790abdf8e3ab76d7b58b9e72581e9494166..afa101d83cf02f3fe218a900a70fa7f37146337d 100644
--- a/endpoint/duel/endpoint.go
+++ b/endpoint/duel/endpoint.go
@@ -45,6 +45,8 @@ func SetupDuelRoutes(group *gin.RouterGroup, repository DuelQuery, titleReposito
 
 	//Endpoint to answer a questino of a round
 	group.POST("/answer", postAnswer(repository, titleRepository, sessionRepository))
+
+	group.POST("/report", postReport(repository))
 }
 
 func getDuel(repository DuelQuery) gin.HandlerFunc {
@@ -410,6 +412,36 @@ func postAnswer(repository DuelQuery, titleRepository title.TitleQuery, sessionR
 	}
 }
 
+func postReport(repository DuelQuery) gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		var req struct {
+			QuestionID uint32 `form:"question" binding:"required_without=Text"`
+			Text       string `json:"text" binding:"required_without=QuestionID"`
+		}
+
+		if err := ctx.BindQuery(&req); err != nil {
+			ctx.AbortWithError(http.StatusBadRequest, err)
+			return
+		}
+
+		if err := ctx.BindJSON(&req); err != nil {
+			ctx.AbortWithError(http.StatusBadRequest, err)
+			return
+		}
+
+		if err := repository.InsertReport(req.QuestionID, req.Text); err == ErrQuestionNotFound {
+			ctx.Status(http.StatusNotFound)
+			return
+		} else if err != nil {
+			raven.CaptureError(err, nil)
+			ctx.AbortWithError(http.StatusInternalServerError, err)
+			return
+		}
+
+		ctx.Status(http.StatusCreated)
+	}
+}
+
 func notifyUser(nt notifications.NotificationType, sessionRepository refreshjwt.RefreshJWTQuery, userID uint32, message *messaging.Notification, data map[string]string) error {
 	// Fetch user token
 	token, err := sessionRepository.GetLatestToken(userID)
diff --git a/endpoint/duel/query.go b/endpoint/duel/query.go
index 2021245971e4409723d5d14c820674a290ff419a..a34e8fd7a9eb8572ed74fd0c8d4dc93f30980e32 100644
--- a/endpoint/duel/query.go
+++ b/endpoint/duel/query.go
@@ -226,6 +226,9 @@ var ErrInvalidAnswer = errors.New("given answer was not of expected form")
 // ErrRoundQuestionNotFound is returned if no roundquestion was returned by a parameterized query
 var ErrRoundQuestionNotFound = errors.New("roundquestion not found")
 
+// ErrQuestionNotFound is returned if a referenced question does not exist.
+var ErrQuestionNotFound = errors.New("question not found")
+
 var ErrBadRequest = errors.New("The request was either formatted incorrectly or it was not allowed at the currect state of the database.")
 
 const TotalRounds = 2
@@ -274,6 +277,7 @@ type DuelQuery interface {
 	InsertTextUserAnswer(roundID, questionID, userID uint32, answer string) (*UserAwards, error)
 	IsPlayerOfRound(userID, roundID uint32) (bool, error)
 	CanAnswerQuestion(userID, roundID, questionID uint32) (bool, error)
+	InsertReport(questionID uint32, text string) error
 }
 
 // MySQLDuelQuery provides functionality to create, get and update duels in a MySQL database.
@@ -1466,3 +1470,24 @@ func (*MySQLDuelQuery) CanAnswerQuestion(userID, roundID, questionID uint32) (bo
 
 	return count == 0, nil
 }
+
+// InsertReport creates a report with the given questionID and text. ErrQuestionNotFound will
+// be returned when the referenced questionID does not belong to any question.
+func (*MySQLDuelQuery) InsertReport(questionID uint32, text string) error {
+	db, err := dbhandler.GetDBConnection()
+	if err != nil {
+		return err
+	}
+
+	_, err = db.Exec("INSERT INTO `report` (`question`, `test`) VALUES (?, ?)", questionID, text)
+	if err != nil {
+		if merr := err.(*mysql.MySQLError); merr.Number == 1452 {
+			// Question does not exist
+			return ErrQuestionNotFound
+		}
+
+		return err
+	}
+
+	return nil
+}
diff --git a/resources/data/testdata.sql b/resources/data/testdata.sql
index 389d69dcad99371080de0791266ee8a9ae08c981..bb1182027e2f665a035edcbac98a14361ad3cd6c 100644
--- a/resources/data/testdata.sql
+++ b/resources/data/testdata.sql
@@ -12,6 +12,7 @@ TRUNCATE TABLE `maintainer`;
 TRUNCATE TABLE `user`;
 TRUNCATE TABLE `user_title`;
 TRUNCATE TABLE `question`;
+TRUNCATE TABLE `report`;
 TRUNCATE TABLE `duel_player`;
 TRUNCATE TABLE `duel`;
 TRUNCATE TABLE `roundquestion`;
diff --git a/test/duel_test.go b/test/duel_test.go
index 68b21a67c03902df0f2793315c8a85eafeafc93d..cd16ade3704df395cabc79b2f3049028f8123bdf 100644
--- a/test/duel_test.go
+++ b/test/duel_test.go
@@ -162,6 +162,9 @@ func (m *mockDuel) IsPlayerOfRound(userID, roundID uint32) (bool, error) {
 func (m *mockDuel) CanAnswerQuestion(userID, roundID, questionID uint32) (bool, error) {
 	return false, errors.New("query not mocked")
 }
+func (m *mockDuel) InsertReport(questionID uint32, text string) error {
+	return errors.New("query not mocked")
+}
 
 func newMockDuel() mockDuel {
 	var mock mockDuel
diff --git a/test/e2e/duelendpoint_test.go b/test/e2e/duelendpoint_test.go
index e77d0eecc32825ea4b2193b4bd011d8847a55b25..6e2931d55f8ab63f7f586685e398901f3555ddc8 100644
--- a/test/e2e/duelendpoint_test.go
+++ b/test/e2e/duelendpoint_test.go
@@ -352,6 +352,69 @@ func getDuelPool403(router *gin.Engine) func(t *testing.T) {
 	}
 }
 
+func postReport201(router *gin.Engine) func(t *testing.T) {
+	return func(t *testing.T) {
+		env := new(test.TestEnv)
+		env.Router = router
+		env.Login("user1", "Password1", t)
+
+		res := httptest.NewRecorder()
+		req, _ := env.NewParameterRequest("POST", "/duel/report", map[string]string{"question": "3"}, []byte("{\"text\":\"my report\"}"))
+
+		router.ServeHTTP(res, req)
+
+		assert.Equal(t, 201, res.Code)
+		db, err := dbhandler.GetDBConnection()
+		if err != nil {
+			t.Skip("skipping postReport201 since unable to fetch database instance")
+		}
+
+		row := db.QueryRow("SELECT `question`, `test` FROM `report`")
+
+		var questionID uint32
+		var text string
+
+		if err := row.Scan(&questionID, &text); err != nil {
+			t.Error("failed to query database result")
+		}
+
+		assert.EqualValues(t, 3, questionID)
+		assert.Equal(t, "my report", text)
+	}
+}
+
+func postReport404(router *gin.Engine) func(t *testing.T) {
+	return func(t *testing.T) {
+		env := new(test.TestEnv)
+		env.Router = router
+		env.Login("user1", "Password1", t)
+
+		res := httptest.NewRecorder()
+		req, _ := env.NewParameterRequest("POST", "/duel/report", map[string]string{"question": "123"}, []byte("{\"text\":\"no report\"}"))
+
+		router.ServeHTTP(res, req)
+
+		assert.Equal(t, 404, res.Code)
+		db, err := dbhandler.GetDBConnection()
+		if err != nil {
+			t.Skip("skipping postReport201 since unable to fetch database instance")
+		}
+
+		row := db.QueryRow("SELECT COUNT(`idreport`), `question`, `test` FROM `report`")
+
+		var count, questionID uint32
+		var text string
+
+		if err := row.Scan(&count, &questionID, &text); err != nil {
+			t.Error("failed to query database result")
+		}
+
+		assert.EqualValues(t, 1, count)
+		assert.NotEqual(t, uint32(123), questionID)
+		assert.NotEqual(t, "no report", text)
+	}
+}
+
 func Test_getDuelByID(t *testing.T) {
 
 	env := E2EEnvironment{}
@@ -437,3 +500,16 @@ func Test_setPool(t *testing.T) {
 
 	t.Run("setPool200", testPatchPool200(router))
 }
+
+func Test_postReport(t *testing.T) {
+
+	env := E2EEnvironment{}
+	router, setuperr := env.SetupEnvironment()
+	if setuperr != nil {
+		t.Fail()
+		t.Skip("Skipping E2E getDuel tests. Environment setup failed.", setuperr.Error())
+	}
+
+	t.Run("postReport201", postReport201(router))
+	t.Run("postReport404", postReport404(router))
+}