diff --git a/frontend/app/build.gradle b/frontend/app/build.gradle
index f975c7ac645b9caaf81fbc57d38d25669df90cb9..c485f84b06912f23809e7e5af9b76fb0f1a6cb13 100644
--- a/frontend/app/build.gradle
+++ b/frontend/app/build.gradle
@@ -12,8 +12,8 @@ android {
         applicationId "space.rethelyi.mosogepsch"
         minSdk 21
         targetSdk 31
-        versionCode 9
-        versionName "2.5.1"
+        versionCode 10
+        versionName "2.5.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
diff --git a/frontend/app/src/main/java/space/rethelyi/mosogepsch/view/MachineScreen.kt b/frontend/app/src/main/java/space/rethelyi/mosogepsch/view/MachineScreen.kt
index ddf064689256aea051dfd5a18a4cb66b257b4f53..843a6290af2dbcd5672ce3c44b3477084eb8ee12 100644
--- a/frontend/app/src/main/java/space/rethelyi/mosogepsch/view/MachineScreen.kt
+++ b/frontend/app/src/main/java/space/rethelyi/mosogepsch/view/MachineScreen.kt
@@ -88,8 +88,8 @@ fun MachineScreen(machine: Machine, onUpdate: (Boolean) -> Unit) {
                 val failedToSubscribe = stringResource(R.string.sub_fail)
                 val successfullyUnsubscribed = stringResource(R.string.unsub_success)
                 val failedToUnsubscribe = stringResource(R.string.unsub_fail)
-                val topic = "test" //machine.kind_of + machine.id
-//                val topic = machine.kind_of + machine.id
+//                val topic = "test" //machine.kind_of + machine.id
+                val topic = machine.kind_of + machine.id
                 val sharedPref = ctx.getSharedPreferences(machine.id.toString(), Context.MODE_PRIVATE)
                 var subscribeState by remember { mutableStateOf(sharedPref.getBoolean(machine.id.toString(), false)) }