diff --git a/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h b/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
index 023e5a9b6..df68cf081 100644
--- a/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
+++ b/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
@@ -51,39 +51,39 @@
 
 void setup_endstop_interrupts(void) {
   #if HAS_X_MAX
-    pinMode(X_MAX_PIN, INPUT);
+    SET_INPUT(X_MAX_PIN);
     attachInterrupt(X_MAX_PIN, endstop_ISR, CHANGE); // assign it
   #endif
   #if HAS_X_MIN
-    pinMode(X_MIN_PIN, INPUT);
+    SET_INPUT(X_MIN_PIN);
     attachInterrupt(X_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Y_MAX
-    pinMode(Y_MAX_PIN, INPUT);
+    SET_INPUT(Y_MAX_PIN);
     attachInterrupt(Y_MAX_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Y_MIN
-    pinMode(Y_MIN_PIN, INPUT);
+    SET_INPUT(Y_MIN_PIN);
     attachInterrupt(Y_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z_MAX
-    pinMode(Z_MAX_PIN, INPUT);
+    SET_INPUT(Z_MAX_PIN);
     attachInterrupt(Z_MAX_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z_MIN
-    pinMode(Z_MIN_PIN, INPUT);
+    SET_INPUT(Z_MIN_PIN);
     attachInterrupt(Z_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z2_MAX
-    pinMode(Z2_MAX_PIN, INPUT);
+    SET_INPUT(Z2_MAX_PIN);
     attachInterrupt(Z2_MAX_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z2_MIN
-    pinMode(Z2_MIN_PIN, INPUT);
+    SET_INPUT(Z2_MIN_PIN);
     attachInterrupt(Z2_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z_MIN_PROBE_PIN
-    pinMode(Z_MIN_PROBE_PIN, INPUT);
+    SET_INPUT(Z_MIN_PROBE_PIN);
     attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
   #endif
 }