diff --git a/lib/pqueue.c b/lib/pqueue.c
index a974a49..12a779f 100644
--- a/lib/pqueue.c
+++ b/lib/pqueue.c
@@ -42,7 +42,7 @@
 #define RIGHT_OF(x) (2 * x + 2)
 #define HAVE_CHILD(x,q) (x < (q)->size / 2)
 
-static void
+void
 trickle_up (int index, struct pqueue *queue)
 {
   void *tmp;