diff --git a/src/syscall/time_amd64_darwin.go b/src/syscall/time_amd64_darwin.go
index d4cdaa048e821d4a6a235930cbb57efebb1c0202..4bcbe249f6d80e38880753a24e97eede5e1a4ae8 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 9feacf654634d377b7ec1a32554459423448d811..71bd5658be777e8dbf6d0b70454d6559de6ae1cf 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
 }