diff --git a/build.gradle b/build.gradle
index 870833c..1713d28 100644
--- a/build.gradle
+++ b/build.gradle
@@ -138,7 +138,7 @@
 // ------------- PlaceHolders ----------------
 
 task updateDocker (type: Exec) {
-    commandLine 'sudo', utils/enable-remote-docker-registry', $targetReg
+    commandLine 'sudo', utils/enable-remote-docker-registry', "$targetReg"
 }
 
 task prime {