diff --git a/app_tab3.py b/app_tab3.py
index 59fcfa5..8f2f013 100644
--- a/app_tab3.py
+++ b/app_tab3.py
@@ -48,17 +48,13 @@ def app_tab3():
     vmargin = st.number_input("Vertical margin:",
                               value=int(response_format_parameters.get("vmargin")),
                               step=10)
-    extension = st.selectbox("Extension:", ["jpg", "pdf", "mp4"])
-    if extension == "mp4":
-        fps = st.number_input("FPS:",
-                              value=int(response_format_parameters.get("fps")),
-                              step=1)
-        stilltime = st.number_input("Still time:",
-                                    value=int(response_format_parameters.get("stilltime")),
-                                    step=1)
-    else:
-        fps = 0
-        stilltime = 0
+    extension = "mp4"
+    fps = st.number_input("FPS:",
+                          value=int(response_format_parameters.get("fps")),
+                          step=1)
+    stilltime = st.number_input("Still time:",
+                                value=int(response_format_parameters.get("stilltime")),
+                                step=1)
 
     # Envoi
     if st.button("Generate post"):
@@ -91,14 +87,9 @@ def app_tab3():
             file_data = response.content
             datef = datetime.datetime.now().strftime("%m-%d-%Y")
 
-            if document_specs.extension in ["jpg"]:
-                extn = "zip"
-            else:
-                extn = document_specs.extension
-
-            file_name = f"{document_specs.style}-{document_specs.format}-{datef}-output.{extn}"
+            file_name = f"{document_specs.style}-{document_specs.format}-{datef}-output.zip"
 
             st.download_button('Télécharger', file_data, file_name=file_name)
         else:
             # If the request is unsuccessful, display the error status code and message
-            st.error(f"Request failed with status code {response.status_code}: {response.text}")
+            st.error(f"Request failed with status code {response.status_code}: {response.text}")
\ No newline at end of file