diff --git a/scripts/upgrade b/scripts/upgrade
index 74eb7b8..c94eb6d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -55,7 +55,7 @@ then
 	mv "$install_dir" "$install_dir.old"
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir"
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 
 	# Restore user contents
 	cp -a "$install_dir.old/uploads/." "$install_dir/uploads/."