diff --git a/build/genif.sh b/build/genif.sh
index 61d1f00454889..14e19b7d9a466 100644
--- a/build/genif.sh
+++ b/build/genif.sh
@@ -24,7 +24,7 @@ cd $srcdir
 module_ptrs="$extra_module_ptrs`echo $@ | $awk -f ./build/order_by_dep.awk`"
 
 for ext in ${1+"$@"} ; do
-	header_list="$header_list ext/$ext/*.h"
+	header_list="$header_list ext/$ext/*.h*"
 done
 
 includes=`$awk -f ./build/print_include.awk $header_list`