diff --git a/Jenkinsfile b/Jenkinsfile
index 0c4e76d..a51d0b7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -29,7 +29,7 @@ pipeline {
       steps {
         script {
            // Calculate the hash of your Docker image (or your application code)
-          def imageHash = sh(script: "docker images --no-trunc $IMAGE_NAME | grep latest | awk '{print $3}'", returnStdout: true).trim()
+          def imageHash = sh(script: "docker images --no-trunc $IMAGE_NAME | grep latest | awk '{print \$3}'", returnStdout: true).trim()
 
           // Read the jobspec.json file
           def jobSpec = readJSON file: 'jobspec.json'