diff --git a/src/evalwindow.c b/src/evalwindow.c
index 43a6d63..fd62579 100644
--- a/src/evalwindow.c
+++ b/src/evalwindow.c
@@ -817,6 +817,13 @@
 	return;
     }
 #endif
+#if defined(FEAT_PROP_POPUP) && defined(FEAT_TERMINAL)
+    if (popup_is_popup(curwin) && curbuf->b_term != NULL)
+    {
+	emsg(_(e_not_allowed_for_terminal_in_popup_window));
+	return;
+    }
+#endif
     FOR_ALL_TAB_WINDOWS(tp, wp)
 	if (wp->w_id == id)
 	{