diff --git a/libgo/runtime/runtime_c.c b/libgo/runtime/runtime_c.c
index e7951a0..18222c1 100644
--- a/libgo/runtime/runtime_c.c
+++ b/libgo/runtime/runtime_c.c
@@ -97,7 +97,7 @@
   // Currently cputicks() is used in blocking profiler and to seed runtime·fastrand().
   // runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
   // randomNumber provides better seeding of fastrand.
-  return runtime_nanotime() + randomNumber;
+  return runtime_nanotime1() + randomNumber;
 #endif
 }