diff --git a/src/func_getattr_combine.cpp b/src/func_getattr_combine.cpp
index 380fdcf5..76a365ab 100644
--- a/src/func_getattr_combine.cpp
+++ b/src/func_getattr_combine.cpp
@@ -41,6 +41,7 @@ Func2::GetAttrCombine::operator()(const Branches &branches_,
         }
 
       st_->st_uid  = std::max(st_->st_uid,tmp_st.st_uid);
+      st_->st_gid  = std::max(st_->st_gid,tmp_st.st_gid);
       st_->st_atim = TimeSpec::newest(st_->st_atim,tmp_st.st_atim);
       st_->st_ctim = TimeSpec::newest(st_->st_ctim,tmp_st.st_ctim);
       st_->st_mtim = TimeSpec::newest(st_->st_mtim,tmp_st.st_mtim);