diff --git a/scripts/upgrade b/scripts/upgrade
index 6140a46..0a2c2c4 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -38,7 +38,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
 	# 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
 	#7z archive not handled by ynh and no way to strip component, have to move it manually
 	7zr x $install_dir/main -o$install_dir
 	#mv not working as target directory is not empty