diff --git a/unit/atf-src/atf-version/generate-revision.sh b/unit/atf-src/atf-version/generate-revision.sh
index e7d4d3dab9..524b3a6a8f 100755
--- a/unit/atf-src/atf-version/generate-revision.sh
+++ b/unit/atf-src/atf-version/generate-revision.sh
@@ -35,7 +35,7 @@
 
 set -e
 
-Prog_Name=${0##*/}
+Prog_Name=`echo ${0} | sed 's;.*/;;'`
 
 MTN=
 ROOT=