diff --git a/iiab-network b/iiab-network
index a938d5711..9948c5dd8 100755
--- a/iiab-network
+++ b/iiab-network
@@ -28,7 +28,7 @@ End=`date`
 # Record critical diagnostics to [/opt/iiab/iiab/]iiab-network.log
 echo "" >> iiab-network.log
 # redhat path
-if [ $OS == "centos" ] || [ $OS == "fedora" ]; then
+if [ "$OS" == "centos" ] || [ "$OS" == "fedora" ]; then
     ls -la /etc/sys*/net*/ifcfg* >> iiab-network.log
 fi