diff --git a/source/main.cpp b/source/main.cpp
index 7c0eb81273..e289fb1492 100755
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -22,7 +22,7 @@
 
 u32 game_ticks;
 
-bool keys[256];
+bool keys[SDLK_LAST];
 
 #include <cmath>