diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index 018a453d629..c3d82bd5c08 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -1491,7 +1491,7 @@ runtime·newproc1(FuncVal *fn, byte *argp, int32 narg, int32 nret, void *callerp
 	G *newg;
 	int32 siz;
 
-//printf("newproc1 %p %p narg=%d nret=%d\n", fn, argp, narg, nret);
+//runtime·printf("newproc1 %p %p narg=%d nret=%d\n", fn->fn, argp, narg, nret);
 	siz = narg + nret;
 	siz = (siz+7) & ~7;