diff --git a/libs/gst/base/gsttypefindhelper.c b/libs/gst/base/gsttypefindhelper.c
index d47761fa55..f7202e257f 100644
--- a/libs/gst/base/gsttypefindhelper.c
+++ b/libs/gst/base/gsttypefindhelper.c
@@ -43,7 +43,8 @@
 /* ********************** typefinding in pull mode ************************ */
 
 static void
-helper_find_suggest (gpointer data, guint probability, const GstCaps * caps);
+helper_find_suggest (gpointer data, GstTypeFindProbability probability,
+    const GstCaps * caps);
 
 typedef struct
 {