diff --git a/test-network/network.sh b/test-network/network.sh
index 2b09f79e..17c91ff3 100755
--- a/test-network/network.sh
+++ b/test-network/network.sh
@@ -53,8 +53,8 @@ function checkPrereqs() {
   fi
   # use the fabric tools container to see if the samples and binaries match your
   # docker images
-  LOCAL_VERSION=$(peer version | sed -ne 's/ Version: //p')
-  DOCKER_IMAGE_VERSION=$(docker run --rm hyperledger/fabric-tools:latest peer version | sed -ne 's/ Version: //p' | head -1)
+  LOCAL_VERSION=$(peer version | sed -ne 's/^ Version: //p')
+  DOCKER_IMAGE_VERSION=$(docker run --rm hyperledger/fabric-tools:latest peer version | sed -ne 's/^ Version: //p')
 
   infoln "LOCAL_VERSION=$LOCAL_VERSION"
   infoln "DOCKER_IMAGE_VERSION=$DOCKER_IMAGE_VERSION"