diff --git a/scripts/check-kernel-fix b/scripts/check-kernel-fix
index ada93e3..36dd0f7 100755
--- a/scripts/check-kernel-fix
+++ b/scripts/check-kernel-fix
@@ -32,13 +32,13 @@ usage()
     echo
     echo "Parameters:"
     echo "	sha: sha of the upstream commit"
-    echo "      cve: CVE-XXXX-YYYY of the upstream commit (requires VULNS_GIT_PATH)"
+    echo "      cve: CVE-XXXX-YYYY of the upstream commit (requires VULNS_GIT)"
     echo
     echo "Options:"
     echo "	-h: help"
     echo "	-q: quiet mode (no progress)"
     echo "	-v: verbose mode: show state of each branch and even NOP actions"
-    echo "	-r: refresh any cached data. (git pull VULNS_GIT_PATH, cve, bsc medata)"
+    echo "	-r: refresh any cached data. (git pull VULNS_GIT, cve, bsc medata)"
 }
 
 branch=
@@ -339,7 +339,8 @@ if ! sha_in_upstream "$1" ; then
 	sha=$(cve2sha $1 $refresh)
 	if [ -z "$sha" ]
 	then
-		fail "Can find't sha in upstream: $1"
+		[ -z "$VULNS_GIT" ] && fail "VULNS_GIT not defined. It has to point https://git.kernel.org/pub/scm/linux/security/vulns.git tree clone."
+		fail "Can find't sha in upstream: $1."
 	fi
 fi
 
diff --git a/scripts/common-functions b/scripts/common-functions
index 80642fc..cea7ada 100644
--- a/scripts/common-functions
+++ b/scripts/common-functions
@@ -68,7 +68,7 @@ cve2sha()
 {
 	local arg=$1
 	local REFRESH=$2
-	sha="$(cd $VULNS_GIT_PATH; [ -n "$REFRESH" ] && git pull >/dev/null 2>&1; scripts/cve_search $arg 2>/dev/null | cut -d" " -f7)"
+	sha="$(cd $VULNS_GIT; [ -n "$REFRESH" ] && git pull >/dev/null 2>&1; scripts/cve_search $arg 2>/dev/null | cut -d" " -f7)"
 	
 	if [ $(echo $sha | wc -c) -eq 41 ]
 	then
@@ -80,7 +80,7 @@ sha2cve()
 {
 	local arg=$1
 	local REFRESH=$2
-	cve_sha="$(cd $VULNS_GIT_PATH; [ -n "$REFRESH" ] && git pull >/dev/null 2>&1; scripts/cve_search $arg 2>/dev/null | cut -d" " -f1,7)"
+	cve_sha="$(cd $VULNS_GIT; [ -n "$REFRESH" ] && git pull >/dev/null 2>&1; scripts/cve_search $arg 2>/dev/null | cut -d" " -f1,7)"
 	
 	if [ $(echo ${cve_sha##* } | wc -c) -eq 41 ]
 	then