diff --git a/pkg/kamailio/scripts/create-src-rpm.sh b/pkg/kamailio/scripts/create-src-rpm.sh
index ebe792a22bb..febe3b118fb 100755
--- a/pkg/kamailio/scripts/create-src-rpm.sh
+++ b/pkg/kamailio/scripts/create-src-rpm.sh
@@ -8,8 +8,8 @@ usage() {
 # creates a src.rpm for mock
 VER=$1
 REL=$2
-[[ -n $VER ]] || { echo "Version not specified"; usage; exit 1; }
-[[ -n $REL ]] || { echo "Release not specified"; usage; exit 2; }
+[[ -n "$VER" ]] || { echo "Version not specified"; usage; exit 1; }
+[[ -n "$REL" ]] || { echo "Release not specified"; usage; exit 2; }
 
 git submodule update --init
 
diff --git a/pkg/kamailio/scripts/git-archive-all.sh b/pkg/kamailio/scripts/git-archive-all.sh
index 4c85ca83cc4..d0ca6338d71 100755
--- a/pkg/kamailio/scripts/git-archive-all.sh
+++ b/pkg/kamailio/scripts/git-archive-all.sh
@@ -6,13 +6,13 @@ usage() {
     echo Usage:  pkg/kamailio/scripts/git-archive-all.sh kamailio-5.8.0 ../output/kamailio-5.8.0_src
 }
 
-if [ -z $1 ]; then
+if [ -z "$1" ]; then
     echo "You must specify a prefix name."
     usage
     exit 1
 fi
 
-if [ -z $2 ]; then
+if [ -z "$2" ]; then
     echo "You must specify a super-archive name."
     usage
     exit 1