diff --git a/Kernel/Syscalls/setuid.cpp b/Kernel/Syscalls/setuid.cpp
index 53200d5d19..2039df0839 100644
--- a/Kernel/Syscalls/setuid.cpp
+++ b/Kernel/Syscalls/setuid.cpp
@@ -274,7 +274,7 @@ ErrorOr<FlatPtr> Process::sys$setgroups(size_t count, Userspace<GroupID const*>
 
     HashTable<GroupID> unique_extra_gids;
     for (auto& extra_gid : new_extra_gids) {
-        if (extra_gid != gid())
+        if (extra_gid != credentials->gid())
             TRY(unique_extra_gids.try_set(extra_gid));
     }