diff --git a/glxproto.h b/glxproto.h
index b50adc2..b4629c7 100644
--- a/glxproto.h
+++ b/glxproto.h
@@ -2157,7 +2157,7 @@ typedef struct {
 #define X_GLXCreateWindow                31
 #define X_GLXDestroyWindow               32
 #define X_GLXSetClientInfoARB            33
-#define X_GLXCreateContextAtrribsARB     34
+#define X_GLXCreateContextAttribsARB     34
 #define X_GLXSetConfigInfo2ARB           35
 
 /* Opcodes for single commands (part of GLX command space) */