diff --git a/src/evdev.c b/src/evdev.c
index 3053764b..d32ece30 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -41,6 +41,10 @@
 
 #define DEFAULT_AXIS_STEP_DISTANCE li_fixed_from_int(10)
 
+#ifndef KEY_MICMUTE
+#define KEY_MICMUTE 0xf8
+#endif
+
 #ifndef KEY_LIGHTS_TOGGLE
 #define KEY_LIGHTS_TOGGLE 0x21e
 #endif