diff --git a/libgo/runtime/go-caller.c b/libgo/runtime/go-caller.c
index ad151ecea8e..ed6fd107b0e 100644
--- a/libgo/runtime/go-caller.c
+++ b/libgo/runtime/go-caller.c
@@ -166,7 +166,7 @@ Caller (int skip)
 
   runtime_memclr (&ret, sizeof ret);
   n = runtime_callers (skip + 1, &loc, 1, false);
-  if (n < 1)
+  if (n < 1 || loc.pc == 0)
     return ret;
   ret.pc = loc.pc;
   ret.file = loc.filename;