diff --git a/build.sh b/build.sh
index 798e7f9..51c7154 100755
--- a/build.sh
+++ b/build.sh
@@ -109,7 +109,11 @@ export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
 # Or we ensure we have proper version installed
 ver_live_build=$(dpkg-query -f '${Version}' -W live-build)
 if dpkg --compare-versions "$ver_live_build" lt 4.0.4-1kali2; then
-	echo "You need live-build (>= 4.0.4-1kali2), you have $ver_live_build" >&2
+	echo "ERROR: You need live-build (>= 4.0.4-1kali2), you have $ver_live_build" >&2
+	exit 1
+fi
+if ! echo "$ver_live_build" | grep -q kali; then
+	echo "ERROR: You need a Kali patched live-build. Your current version: $ver_live_build"
 	exit 1
 fi