diff --git a/frontend/src/components/Trial/Trial.test.tsx b/frontend/src/components/Trial/Trial.test.tsx
index 5c3b5667c..4099bbdb8 100644
--- a/frontend/src/components/Trial/Trial.test.tsx
+++ b/frontend/src/components/Trial/Trial.test.tsx
@@ -158,4 +158,65 @@ describe('Trial', () => {
             );
         });
     });
+
+    it("calls onResult when form is not defined", async () => {
+        const formless_feedback_form = {
+            ...feedback_form,
+            form: undefined
+        };
+        render(<Trial
+            config={defaultConfig}
+            onNext={mockOnNext}
+            onResult={mockOnResult}
+            feedback_form={formless_feedback_form}
+        />);
+        fireEvent.click(screen.getByTestId('mock-feedback-form'));
+        await waitFor(() => {
+            expect(mockOnResult).toHaveBeenCalled();
+        });
+    });
+
+    it("calls onResult and onNext when form is not defined and break_round_on is met", async () => {
+        const formless_feedback_form = {
+            ...feedback_form,
+            form: undefined
+        };
+        const config = {
+            ...defaultConfig,
+            break_round_on: { NOT: ['fast'] }
+        };
+        render(<Trial
+            config={config}
+            onNext={mockOnNext}
+            onResult={mockOnResult}
+            feedback_form={formless_feedback_form}
+        />);
+        fireEvent.click(screen.getByTestId('mock-feedback-form'));
+        await waitFor(() => {
+            expect(mockOnResult).toHaveBeenCalled();
+            expect(mockOnNext).toHaveBeenCalledTimes(1);
+        });
+    });
+
+    it("calls only onResult when form is not defined and break_round_on is NOT met", async () => {
+        const formless_feedback_form = {
+            ...feedback_form,
+            form: undefined
+        };
+        const config = {
+            ...defaultConfig,
+            break_round_on: { NOT: ['slow'] }
+        };
+        render(<Trial
+            config={config}
+            onNext={mockOnNext}
+            onResult={mockOnResult}
+            feedback_form={formless_feedback_form}
+        />);
+        fireEvent.click(screen.getByTestId('mock-feedback-form'));
+        await waitFor(() => {
+            expect(mockOnResult).toHaveBeenCalled();
+            expect(mockOnNext).not.toHaveBeenCalled();
+        });
+    });
 });
diff --git a/frontend/src/components/Trial/Trial.tsx b/frontend/src/components/Trial/Trial.tsx
index be0c868f5..358fc7d85 100644
--- a/frontend/src/components/Trial/Trial.tsx
+++ b/frontend/src/components/Trial/Trial.tsx
@@ -63,10 +63,12 @@ const Trial = (props: TrialProps) => {
     // Create result data
     const makeResult = useCallback(
         async (result: { type: 'time_passed' }) => {
+
             // Prevent multiple submissions
             if (submitted.current) {
                 return;
             }
+
             submitted.current = true;
 
             if (!feedback_form) {
@@ -83,7 +85,7 @@ const Trial = (props: TrialProps) => {
                 return;
             }
 
-            const { form } = feedback_form;
+            const { form = [] } = feedback_form;
 
             if (result.type === "time_passed") {
                 form.map((formElement) => (formElement.value = "TIMEOUT"));