diff --git a/app/src/main/java/info/nightscout/androidaps/MainApp.java b/app/src/main/java/info/nightscout/androidaps/MainApp.java
index 3259483033..720e07dd15 100644
--- a/app/src/main/java/info/nightscout/androidaps/MainApp.java
+++ b/app/src/main/java/info/nightscout/androidaps/MainApp.java
@@ -145,7 +145,7 @@ public class MainApp extends Application {
         File engineeringModeSemaphore = new File(extFilesDir, "engineering_mode");
 
         engineeringMode = engineeringModeSemaphore.exists() && engineeringModeSemaphore.isFile();
-        devBranch = BuildConfig.VERSION.contains("dev");
+        devBranch = BuildConfig.VERSION.contains("-") || BuildConfig.VERSION.matches(".*[a-zA-Z]+.*");
 
         sBus = L.isEnabled(L.EVENTS) && devBranch ? new LoggingBus(ThreadEnforcer.ANY) : new Bus(ThreadEnforcer.ANY);