diff --git a/src/click.c b/src/click.c
index 19076252..f038f290 100644
--- a/src/click.c
+++ b/src/click.c
@@ -275,6 +275,11 @@ static int route_click(Con *con, xcb_button_press_event_t *event, const bool mod
         goto done;
     }
 
+    if (fs) {
+        /* Fullscreen container exists, avoid resizes */
+        goto done;
+    }
+
     /* 7: floating modifier pressed, initiate a resize */
     if (dest == CLICK_INSIDE && mod_pressed && event->detail == XCB_BUTTON_CLICK_RIGHT) {
         if (floating_mod_on_tiled_client(con, event))