diff --git a/lib/quantum_plugins/openvswitch b/lib/quantum_plugins/openvswitch
index 5415e86..12bc244 100644
--- a/lib/quantum_plugins/openvswitch
+++ b/lib/quantum_plugins/openvswitch
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-XTRACE=$(set +o | grep xtrace)
+MY_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/quantum_plugins/ovs_base
@@ -141,4 +141,4 @@
 }
 
 # Restore xtrace
-$XTRACE
+$MY_XTRACE