diff --git a/scripts/upgrade b/scripts/upgrade
index a4be173..06397c0 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,7 +28,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	# Download, check integrity, uncompress and patch the source from manifest.toml
-	ynh_setup_source --dest_dir="$install_dir"
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 
 	# remove potential trailing slash to avoid double slashes
 	path_without_trailing_slash=${path%/}