diff --git a/Jenkinsfile b/Jenkinsfile
index 314c605..f601e55 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,7 +5,11 @@ def build_docker(name) {
     if (env.DOCKER_PREFIX) {
         pref = "--build-arg DOCKER_PREFIX=${env.DOCKER_PREFIX}/"
 	}
-	def args = "${pref} --build-arg LIBS_BUILD_NUMBER=${env.BUILD_NUMBER} --build-arg JOBS_COUNT=4"
+	def jobs = 4
+    if (env.JOBS_COUNT) {
+        jobs = "${env.JOBS_COUNT}"
+	}
+	def args = "${pref} --build-arg LIBS_BUILD_NUMBER=${env.BUILD_NUMBER} --build-arg JOBS_COUNT=${jobs}"
 	dir ("docker/${image}") {
 	    //echo "build ${image} ${args}"
 	    sh "docker build ${args} --no-cache -t ${image} ."