diff --git a/src/pkg/gob/type.go b/src/pkg/gob/type.go
index a72a392cb04..d68c8773cfd 100644
--- a/src/pkg/gob/type.go
+++ b/src/pkg/gob/type.go
@@ -495,7 +495,11 @@ func Register(value interface{}) {
 		}
 	}
 	if rt.Name() != "" {
-		name = star + rt.PkgPath() + "." + rt.Name()
+		if rt.PkgPath() == "" {
+			name = star + rt.Name()
+		} else {
+			name = star + rt.PkgPath() + "." + rt.Name()
+		}
 	}
 
 	RegisterName(name, value)