diff --git a/hw/xwin/glx/gen_gl_wrappers.py b/hw/xwin/glx/gen_gl_wrappers.py
index d86acc88d..15f7ef868 100755
--- a/hw/xwin/glx/gen_gl_wrappers.py
+++ b/hw/xwin/glx/gen_gl_wrappers.py
@@ -67,7 +67,7 @@ if dispatchheader :
         fh = open(dispatchheader)
         dispatchh = fh.readlines()
 
-        dispatch_regex = re.compile(r'#define\sSET_(\S*)\(')
+        dispatch_regex = re.compile(r'^SET_(\S*)\(')
 
         for line in dispatchh :
                 line = line.strip()