diff --git a/src/tactic/aig/aig_tactic.cpp b/src/tactic/aig/aig_tactic.cpp
index 9c5390c160f..8027e6484c3 100644
--- a/src/tactic/aig/aig_tactic.cpp
+++ b/src/tactic/aig/aig_tactic.cpp
@@ -103,6 +103,7 @@ class aig_tactic : public tactic {
                 new_f = conj;
             g->assert_expr(new_f);                       
         }
+        g->elim_true();
     }
     
     void operator()(goal_ref const & g, goal_ref_buffer & result) override {