diff --git a/src/main/java/mpo/dayon/common/Runner.java b/src/main/java/mpo/dayon/common/Runner.java
index 0c98e899..662fa15b 100644
--- a/src/main/java/mpo/dayon/common/Runner.java
+++ b/src/main/java/mpo/dayon/common/Runner.java
@@ -116,6 +116,7 @@ static File getOrCreateAppHomeDir() {
     static void prepareKeystore(File appHomeDir) {
         if (appHomeDir == null) {
             Log.error("Skipping keystore creation, application directory is missing!");
+            return;
         }
         Path keystore = Paths.get(format("%s%skeystore.jks", appHomeDir.getAbsolutePath(), File.separator));
         if (!Files.exists(keystore)) {