diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.1port b/xCAT-server/share/xcat/ib/scripts/configiba.1port
index fab42f781..df2658841 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.1port
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.1port
@@ -15,7 +15,7 @@ then
     /sbin/service $ib_driver status
     if [ $? -eq 1 ]
     then
-        $ib_driver="openibd"
+        ib_driver="openibd"
         /sbin/service $ib_driver status
         if [ $? -eq 1 ]
         then
diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.2ports b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
index 552be6e33..bbe13ac3a 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.2ports
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
@@ -14,7 +14,7 @@ then
     /sbin/service $ib_driver status
     if [ $? -eq 1 ]
     then
-        $ib_driver="openibd"
+        ib_driver="openibd"
         /sbin/service $ib_driver status
         if [ $? -eq 1 ]
         then