diff --git a/scripts/upgrade b/scripts/upgrade
index 74972e6..aeb5d9f 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -32,7 +32,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir" --full-replace
+	ynh_setup_source --dest_dir="$install_dir" --full_replace
 fi
 
 #=================================================