diff --git a/pkg/splunk/enterprise/util.go b/pkg/splunk/enterprise/util.go
index 8a98882ff..6733e4352 100644
--- a/pkg/splunk/enterprise/util.go
+++ b/pkg/splunk/enterprise/util.go
@@ -1185,22 +1185,15 @@ func handleAppRepoChanges(ctx context.Context, client splcommon.ControllerClient
 }
 
 // isAppExtentionValid checks if an app extention is supported or not
-func isAppExtentionValid(receivedKey string) bool {
-	appExtIdx := strings.LastIndex(receivedKey, ".")
-	if appExtIdx < 0 {
-		return false
-	}
-
-	switch appExt := receivedKey[appExtIdx+1:]; appExt {
-	case "spl":
-		return true
-
-	case "tgz":
-		return true
+func isAppExtensionValid(receivedKey string) bool {
+	validExtensions := []string{".spl", ".tgz", ".tar.gz"}
 
-	default:
-		return false
+	for _, ext := range validExtensions {
+		if strings.HasSuffix(receivedKey, ext) {
+			return true
+		}
 	}
+	return false
 }
 
 // AddOrUpdateAppSrcDeploymentInfoList  modifies the App deployment status as perceived from the remote object listing
@@ -1216,7 +1209,7 @@ func AddOrUpdateAppSrcDeploymentInfoList(ctx context.Context, appSrcDeploymentIn
 
 	for _, remoteObj := range remoteS3ObjList {
 		receivedKey := *remoteObj.Key
-		if !isAppExtentionValid(receivedKey) {
+		if !isAppExtensionValid(receivedKey) {
 			scopedLog.Error(nil, "App name Parsing: Ignoring the key with invalid extension", "receivedKey", receivedKey)
 			continue
 		}
diff --git a/pkg/splunk/enterprise/util_test.go b/pkg/splunk/enterprise/util_test.go
index 1d7ed4d10..2a3f5d1d6 100644
--- a/pkg/splunk/enterprise/util_test.go
+++ b/pkg/splunk/enterprise/util_test.go
@@ -1175,12 +1175,12 @@ func TestGetAvailableDiskSpaceShouldFail(t *testing.T) {
 	}
 }
 
-func TestIsAppExtentionValid(t *testing.T) {
-	if !isAppExtentionValid("testapp.spl") || !isAppExtentionValid("testapp.tgz") {
+func TestIsAppExtensionValid(t *testing.T) {
+	if !isAppExtensionValid("testapp.spl") || !isAppExtensionValid("testapp.tgz") || !isAppExtensionValid("testapp.tar.gz") {
 		t.Errorf("failed to detect valid app extension")
 	}
 
-	if isAppExtentionValid("testapp.aspl") || isAppExtentionValid("testapp.ttgz") {
+	if isAppExtensionValid("testapp.aspl") || isAppExtensionValid("testapp.ttgz") {
 		t.Errorf("failed to detect invalid app extension")
 	}
 }