no space between '#!' and '/bin/sh'
diff --git a/extensions/.CLASSIFY-test b/extensions/.CLASSIFY-test
index 352be4c..7dde309 100755
--- a/extensions/.CLASSIFY-test
+++ b/extensions/.CLASSIFY-test
@@ -1,3 +1,3 @@
-#! /bin/sh
+#!/bin/sh
 [ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_CLASSIFY.c ] && echo CLASSIFY