diff --git a/mock/mocktest/path.go b/mock/mocktest/path.go
index 166e91537..b09a193cf 100644
--- a/mock/mocktest/path.go
+++ b/mock/mocktest/path.go
@@ -92,7 +92,7 @@ func mkPaths(nodes ...node) paths {
 		return paths{}
 	}
 
-	staged, committed := rPaths(nil, nil, nodes)
+	staged, committed := rPaths(paths{}, paths{}, nodes)
 	if len(staged) > 0 {
 		panic(errors.New("unresolved path detected"))
 	}