--- exec-wrapper.in.orig	2009-05-24 22:03:21.000000000 -0500
+++ exec-wrapper.in	2010-02-10 18:03:13.000000000 -0600
@@ -152,7 +152,7 @@
 # $1 - name.
 checkUtil()
 {
-	which "${1}" >/dev/null 2>&1 || die "\"${1}\" not available"
+	[ -x "$( which "${1}" 2>/dev/null )" ] || die "\"${1}\" not available"
 }
 
 # Check required utilities.