diff --git a/vendor/google.golang.org/grpc/trace.go b/vendor/google.golang.org/grpc/trace.go
index 07a2d26..0a57b99 100644
--- a/vendor/google.golang.org/grpc/trace.go
+++ b/vendor/google.golang.org/grpc/trace.go
@@ -41,6 +41,9 @@
 	if i := strings.Index(m, "/"); i >= 0 {
 		m = m[:i] // remove everything from second slash
 	}
+	if i := strings.LastIndex(m, "."); i >= 0 {
+		m = m[i+1:] // cut down to last dotted component
+	}
 	return m
 }