diff --git a/src/syscall/time_amd64_darwin.go b/src/syscall/time_amd64_darwin.go
index d4cdaa048e..4bcbe249f6 100644
--- a/src/syscall/time_amd64_darwin.go
+++ b/src/syscall/time_amd64_darwin.go
@@ -15,5 +15,5 @@ export func gettimeofday() (sec, nsec, errno int64) {
 	if err != 0 {
 		return 0, 0, err
 	}
-	return r1, r2, 0
+	return r1, r2*1000, 0
 }
diff --git a/src/syscall/time_amd64_linux.go b/src/syscall/time_amd64_linux.go
index 9feacf6546..71bd5658be 100644
--- a/src/syscall/time_amd64_linux.go
+++ b/src/syscall/time_amd64_linux.go
@@ -15,5 +15,5 @@ export func gettimeofday() (sec, nsec, errno int64) {
 	if err != 0 {
 		return 0, 0, err
 	}
-	return tv[0], tv[1], 0
+	return tv[0], tv[1]*1000, 0
 }