diff --git a/edge_streamlit/app.py b/edge_streamlit/app.py
index 4a66357a..8418f73a 100644
--- a/edge_streamlit/app.py
+++ b/edge_streamlit/app.py
@@ -60,7 +60,6 @@ def main():
         caps = {index: cv2.VideoCapture(index) for index in selected_cameras}
         columns = st.columns(len(selected_cameras))
         frames_video = {index: columns[i].empty() for i, index in enumerate(selected_cameras)}
-        frames_image = {index: columns[i].empty() for i, index in enumerate(selected_cameras)}
 
         if st.button("Trigger"):
             payload = None
diff --git a/edge_streamlit/utils.py b/edge_streamlit/utils.py
index e1860c2f..aabe51e4 100644
--- a/edge_streamlit/utils.py
+++ b/edge_streamlit/utils.py
@@ -12,7 +12,8 @@ def list_cameras() -> List[str]:
         cap = cv2.VideoCapture(index)
         if not cap.read()[0]:
             break
-        available_cameras.append(f"Cam {index}")
+        else:
+            available_cameras.append(f"Cam {index}")
         cap.release()
         index += 1
     return available_cameras