diff --git a/src/raylib.h b/src/raylib.h
index 938aee865..76ad9b557 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -112,7 +112,7 @@
 #define KEY_DOWN            264
 #define KEY_UP              265
 #define KEY_PAGE_UP         266
-#define PAGE_DOWN           267
+#define KEY_PAGE_DOWN       267
 #define KEY_HOME            268
 #define KEY_END             269
 #define KEY_CAPS_LOCK       280