diff --git a/src/libslic3r/GCode/WipeTower.cpp b/src/libslic3r/GCode/WipeTower.cpp
index 454d55e966..4dc3e888d0 100644
--- a/src/libslic3r/GCode/WipeTower.cpp
+++ b/src/libslic3r/GCode/WipeTower.cpp
@@ -939,10 +939,10 @@ void WipeTower::toolchange_Unload(
         }
     }
 
-    if (m_switch_filament_monitoring) {
+    if (m_switch_filament_monitoring)
         writer.switch_filament_monitoring(false);
+    if (m_is_mk4mmu3)
         writer.wait(1.5f);
-    }
     
 
     // now the ramming itself: