diff --git a/package/gstreamer1/gst1-plugins-ugly/gst1-plugins-ugly.mk b/package/gstreamer1/gst1-plugins-ugly/gst1-plugins-ugly.mk
index 2072772d9a..db6a09ddca 100644
--- a/package/gstreamer1/gst1-plugins-ugly/gst1-plugins-ugly.mk
+++ b/package/gstreamer1/gst1-plugins-ugly/gst1-plugins-ugly.mk
@@ -90,7 +90,7 @@ endif
 
 # Add GPL license if GPL plugins enabled.
 ifeq ($(GST1_PLUGINS_UGLY_HAS_GPL_LICENSE),y)
-GST1_PLUGINS_UGLY_LICENSE += GPL-2.0
+GST1_PLUGINS_UGLY_LICENSE += , GPL-2.0
 endif
 
 # Use the following command to extract license info for plugins.