diff --git a/plugins/common/common.go b/plugins/common/common.go
index 38ac9ab19..cd77dcf20 100644
--- a/plugins/common/common.go
+++ b/plugins/common/common.go
@@ -82,15 +82,7 @@ func LogFail(text string) {
 }
 
 // GetDeployingAppImageName returns deploying image identifier for a given app, tag tuple. validate if tag is presented
-func GetDeployingAppImageName(args ...string) (imageName string) {
-	argArray := make([]string, 3)
-	for idx, arg := range args {
-		argArray[idx] = arg
-	}
-	appName := argArray[0]
-	imageTag := argArray[1]
-	imageRepo := argArray[2]
-
+func GetDeployingAppImageName(appName, imageTag, imageRepo string) (imageName string) {
 	if appName == "" {
 		LogFail("(GetDeployingAppImageName) APP must not be empty")
 	}
diff --git a/plugins/repo/src/purge-cache.go b/plugins/repo/src/purge-cache.go
index 7926d851a..eefbb11d0 100644
--- a/plugins/repo/src/purge-cache.go
+++ b/plugins/repo/src/purge-cache.go
@@ -22,7 +22,7 @@ func purgeCache() {
 
 	cacheDir := strings.Join([]string{common.MustGetEnv("DOKKU_ROOT"), appName, "cache"}, "/")
 	dokkuGlobalRunArgs := common.MustGetEnv("DOKKU_GLOBAL_RUN_ARGS")
-	image := common.GetDeployingAppImageName(appName)
+	image := common.GetDeployingAppImageName(appName, "", "")
 	if info, _ := os.Stat(cacheDir); info != nil && info.IsDir() {
 		purgeCacheCmd := common.NewDokkuCmd(strings.Join([]string{"docker run --rm", dokkuGlobalRunArgs,
 			"-v", strings.Join([]string{cacheDir, ":/cache"}, ""), image,