diff --git a/jjb/pipeline/voltha-publish.groovy b/jjb/pipeline/voltha-publish.groovy
index b7c8b26..ba3973e 100644
--- a/jjb/pipeline/voltha-publish.groovy
+++ b/jjb/pipeline/voltha-publish.groovy
@@ -58,9 +58,11 @@
               TAG="${params.manifestBranch}"
             fi
 
-            if [ "${params.releaseTag}" != "" ]
+	    # Check for SemVer in VERSION (only numbers and dots)
+	    RELEASETAG=`cat voltha/VERSION|tr -d ' '|egrep "^[0-9]+(\.[0-9]+)*$"`
+            if [ "\$RELEASETAG" != "" ]
             then
-              VOLTHA_BUILD=docker TAG=\$TAG TARGET_REPOSITORY=voltha/ TARGET_TAG=${params.releaseTag} make push
+              VOLTHA_BUILD=docker TAG=\$TAG TARGET_REPOSITORY=voltha/ TARGET_TAG=\$RELEASETAG make push
             else
               VOLTHA_BUILD=docker TAG=\$TAG TARGET_REPOSITORY=voltha/ TARGET_TAG=\$TAG make push
             fi