diff --git a/common/keyboard.c b/common/keyboard.c
index c5de65ef..933eb780 100644
--- a/common/keyboard.c
+++ b/common/keyboard.c
@@ -68,7 +68,9 @@ void keyboard_init(void)
 #endif
 
 #ifdef PS2_MOUSE_ENABLE
-    ps2_mouse_init();
+    if (ps2_enabled()) {
+        ps2_mouse_init();
+    }
 #endif
 
 #ifdef BOOTMAGIC_ENABLE
@@ -80,7 +82,7 @@ void keyboard_init(void)
 #endif
 
 #ifdef KEYMAP_EX_ENABLE
-    keymap_init();
+    keymap_ex_init();
 #endif
 }
 
@@ -133,7 +135,9 @@ MATRIX_LOOP_END:
 #endif
 
 #ifdef PS2_MOUSE_ENABLE
-    ps2_mouse_task();
+    if (ps2_enabled()) {
+        ps2_mouse_task();
+    }
 #endif
 
     // update LED
diff --git a/protocol/ps2.h b/protocol/ps2.h
index 483eea72..703e0c27 100644
--- a/protocol/ps2.h
+++ b/protocol/ps2.h
@@ -90,6 +90,7 @@ uint8_t ps2_host_send(uint8_t data);
 uint8_t ps2_host_recv_response(void);
 uint8_t ps2_host_recv(void);
 void ps2_host_set_led(uint8_t usb_led);
+uint8_t ps2_enabled(void);
 
 
 /* Check port settings for clock and data line */