diff --git a/.astyle/astyle-wrap.sh b/.astyle/astyle-wrap.sh
index d86713422..488611822 100755
--- a/.astyle/astyle-wrap.sh
+++ b/.astyle/astyle-wrap.sh
@@ -39,6 +39,6 @@ die() {
 
 set -x
 
-[ -z `$@` ] || {
-    [ $@ =~ .*dry-run.* ] || die
+[ -z "`$@`" ] || {
+    [ "$3" != "--dry-run" ] || die
 }