diff --git a/src/environments/groupthm/groupthm.dtx b/src/environments/groupthm/groupthm.dtx
index 2d37775..4a43b19 100644
--- a/src/environments/groupthm/groupthm.dtx
+++ b/src/environments/groupthm/groupthm.dtx
@@ -2691,7 +2691,7 @@
 % 
 % 
 %    \begin{macrocode}
-\hook_gput_code:nnn { enddocument / afterlastpage } { groupthm }
+\hook_gput_code:nnn { enddocument / afterlastpage } { before-groupthm }
   {
     \cs_set_eq:NN \@@_thmtools_declare_theorem:nn \use_none:nn
     \iow_now:cx { @auxout }
@@ -2720,6 +2720,7 @@
         \token_to_str:N \ExplSyntaxOff
       }
   }
+\hook_gset_rule:nnnn { enddocument / afterlastpage } { before-groupthm } { before } { groupthm }
 %    \end{macrocode}
 % 
 %