diff --git a/cmd/libs/go2idl/client-gen/types/helpers.go b/cmd/libs/go2idl/client-gen/types/helpers.go
index aad3b53850..618a0737ae 100644
--- a/cmd/libs/go2idl/client-gen/types/helpers.go
+++ b/cmd/libs/go2idl/client-gen/types/helpers.go
@@ -36,7 +36,7 @@ func ToGroupVersion(gv string) (GroupVersion, error) {
 
 	switch strings.Count(gv, "/") {
 	case 0:
-		return GroupVersion{"", Version(gv)}, nil
+		return GroupVersion{Group(gv), ""}, nil
 	case 1:
 		i := strings.Index(gv, "/")
 		return GroupVersion{Group(gv[:i]), Version(gv[i+1:])}, nil