diff --git a/src/import-export/aqbanking/dialog-ab-trans.c b/src/import-export/aqbanking/dialog-ab-trans.c
index ea56dce141..42b89e8c3e 100644
--- a/src/import-export/aqbanking/dialog-ab-trans.c
+++ b/src/import-export/aqbanking/dialog-ab-trans.c
@@ -308,11 +308,10 @@ gnc_ab_trans_dialog_new(GtkWidget *parent, AB_ACCOUNT *ab_acc,
                                           TRUE);
     gnc_amount_edit_set_fraction(GNC_AMOUNT_EDIT(td->amount_edit),
                                  commodity_scu);
-#if 0
-    // This doesn't yet work
-    g_signal_connect_swapped (gnc_amount_edit_gtk_entry(GNC_AMOUNT_EDIT(td->amount_edit)), "changed",
+
+    /* Use "focus-out" signal because "amount-changed" is only sent when ENTER is pressed */
+    g_signal_connect_swapped (gnc_amount_edit_gtk_entry(GNC_AMOUNT_EDIT(td->amount_edit)), "focus-out-event",
                               G_CALLBACK(gnc_ab_trans_dialog_verify_values), td);
-#endif
 
     /* Check for what kind of transaction this should be, and change the
      * labels accordingly */