diff --git a/scripts/upgrade b/scripts/upgrade
index 5db22fe..c8f2e1e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -50,10 +50,10 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	# Download, check integrity, uncompress the source of lemmy from app.src to his build directory
-	ynh_setup_source --dest_dir="$install_dir/build-lemmy/"
-	ynh_setup_source --dest_dir="$install_dir/build-lemmy-ui/"
-	ynh_setup_source --dest_dir="$install_dir/lemmy-ui/lemmy-translations/" --source_id="lemmy-translations"
-	ynh_setup_source --dest_dir="$install_dir/build-pict-rs/"
+	ynh_setup_source --dest_dir="$install_dir/build-lemmy/" --full_replace=1
+	ynh_setup_source --dest_dir="$install_dir/build-lemmy-ui/" --full_replace=1
+	ynh_setup_source --dest_dir="$install_dir/lemmy-ui/lemmy-translations/" --source_id="lemmy-translations" --full_replace=1
+	ynh_setup_source --dest_dir="$install_dir/build-pict-rs/" --full_replace=1
 fi
 
 chmod -R o-rwx "$install_dir"