diff --git a/Makefile.PL b/Makefile.PL
index 8969253..af2d345 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -67,8 +67,8 @@ if (!$lib && !$inc) {
 auto_provides;
 
 libs $lib;
-$inc = "$inc -I.";
-makemaker_args CCFLAGS => $inc, @define;
+inc "$inc -I.";
+makemaker_args @define;
 
 realclean_files qw/const-c.inc const-xs.inc/;