diff --git a/Marlin/src/module/stepper/L64xx.cpp b/Marlin/src/module/stepper/L64xx.cpp
index 3e2bf09446..004e17a3fd 100644
--- a/Marlin/src/module/stepper/L64xx.cpp
+++ b/Marlin/src/module/stepper/L64xx.cpp
@@ -196,6 +196,9 @@ void L64XX_Marlin::init_to_defaults() {
   #if AXIS_IS_L64XX(Z3)
     L6470_INIT_CHIP(Z3);
   #endif
+  #if AXIS_IS_L64XX(Z4)
+    L6470_INIT_CHIP(Z4);
+  #endif
   #if AXIS_IS_L64XX(E0)
     L6470_INIT_CHIP(E0);
   #endif