diff --git a/test-network/scripts/createChannel.sh b/test-network/scripts/createChannel.sh
index 567155cb..10dd0159 100755
--- a/test-network/scripts/createChannel.sh
+++ b/test-network/scripts/createChannel.sh
@@ -33,7 +33,7 @@ createChannel() {
 	while [ $rc -ne 0 -a $COUNTER -lt $MAX_RETRY ] ; do
 		sleep $DELAY
 		set -x
-		peer channel create -o localhost:7050 -c $CHANNEL_NAME --ordererTLSHostnameOverride orderer.example.com -f ./channel-artifacts/${CHANNEL_NAME}.tx --outputBlock $BLOCKFILE --tls --cafile $ORDERER_CA >&log.txt
+		peer channel create -o localhost:7050 -c $CHANNEL_NAME --ordererTLSHostnameOverride orderer.example.com -f ./channel-artifacts/${CHANNEL_NAME}.tx --outputBlock $BLOCKFILE --tls --cafile "$ORDERER_CA" >&log.txt
 		res=$?
 		{ set +x; } 2>/dev/null
 		let rc=$res