diff --git a/debbuild/22.04/DEBIAN/preinst b/debbuild/22.04/DEBIAN/preinst
index 926e223..3ee13a3 100644
--- a/debbuild/22.04/DEBIAN/preinst
+++ b/debbuild/22.04/DEBIAN/preinst
@@ -5,6 +5,6 @@ FERootDir=/usr/local/omc/htdocs/front
 # clear front-end old hash js files
 rm -rf ${FERootDir}/assets
 rm -rf ${FERootDir}/js
-rm -rf index.*.js
+rm -rf ${FERootDir}/index.*.js
 
 
diff --git a/debbuild/DEBIAN/preinst b/debbuild/DEBIAN/preinst
index 0a01c14..3698d63 100644
--- a/debbuild/DEBIAN/preinst
+++ b/debbuild/DEBIAN/preinst
@@ -5,4 +5,4 @@ FERootDir=/usr/local/omc/htdocs/front
 # clear front-end old hash js files
 rm -rf ${FERootDir}/assets
 rm -rf ${FERootDir}/js
-rm -rf index.*.js
+rm -rf ${FERootDir}/index.*.js