diff --git a/src/wind.h b/src/wind.h
index d8c5b02..d2eff39 100644
--- a/src/wind.h
+++ b/src/wind.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <stddef.h>
+#include <stdbool.h>
 
 typedef struct wind_client_t
 {
@@ -287,7 +288,7 @@ struct wind_key_event_request
 {
     int window;
 
-    int pressed;
+    bool pressed;
 
     char letter;
     char key;