diff --git a/cmd/kubenab/admissions.go b/cmd/kubenab/admissions.go
index bd63cc6..62b534d 100644
--- a/cmd/kubenab/admissions.go
+++ b/cmd/kubenab/admissions.go
@@ -187,7 +187,7 @@ func handleContainer(container *v1.Container, dockerRegistryUrl string) bool {
 
 		// pre-pend new Docker Registry Domain
 		repRegUrl, _ := strconv.ParseBool(replaceRegistryUrl) // we do not need to check for errors here, since we have done this already in checkArguments()
-		if (len(imageParts) < 3) || repRegUrl {
+		if (len(imageParts) < 3) || !repRegUrl {
 			newImage = dockerRegistryUrl + "/" + container.Image
 		} else {
 			imageParts[0] = dockerRegistryUrl