diff --git a/src/glx/windows/wgl.c b/src/glx/windows/wgl.c
index cd59a7b98dd..62b2171f196 100644
--- a/src/glx/windows/wgl.c
+++ b/src/glx/windows/wgl.c
@@ -28,6 +28,7 @@
 #include "wgl.h"
 
 #include <stdio.h>
+#include <stdbool.h>
 
 #define RESOLVE_DECL(type) \
     static type type##proc = NULL;
diff --git a/src/glx/windows/windows_drawable.c b/src/glx/windows/windows_drawable.c
index 67d86abe32f..e08ffba9011 100644
--- a/src/glx/windows/windows_drawable.c
+++ b/src/glx/windows/windows_drawable.c
@@ -27,6 +27,7 @@
 #include "wgl.h"
 
 #include <stdio.h>
+#include <stdbool.h>
 
 /*
  * Window drawable