diff --git a/updater/src/com/intellij/updater/Runner.java b/updater/src/com/intellij/updater/Runner.java
index f0b0b7710a6d..dc9ce7af1426 100644
--- a/updater/src/com/intellij/updater/Runner.java
+++ b/updater/src/com/intellij/updater/Runner.java
@@ -112,6 +112,9 @@ public class Runner {
       jarFile = resolveJarFile();
     }
 
+    LOG.info("args: " + Arrays.toString(args));
+    LOG.info(".jar: " + jarFile);
+
     if (args.length >= 6 && "create".equals(args[0])) {
       String oldVersionDesc = args[1];
       String newVersionDesc = args[2];
@@ -121,7 +124,6 @@ public class Runner {
 
       checkCaseSensitivity(newFolder);
 
-      LOG.info("args: " + Arrays.toString(args));
       LOG.info("case-sensitive: " + ourCaseSensitiveFs);
 
       boolean binary = hasArgument(args, "zip_as_binary");
@@ -182,7 +184,6 @@ public class Runner {
 
       checkCaseSensitivity(destDirectory.toString());
 
-      LOG.info("args: " + Arrays.toString(args));
       LOG.info("destination: " + destPath + " (" + destDirectory + "), case-sensitive: " + ourCaseSensitiveFs);
 
       UpdaterUI ui;
@@ -213,6 +214,7 @@ public class Runner {
     }
     else {
       printUsage();
+      System.exit(1);
     }
   }
 
@@ -312,7 +314,7 @@ public class Runner {
       LOG.info("Packing JAR file: " + spec.getPatchFile());
       ui.startProcess("Packing JAR file '" + spec.getPatchFile() + "'...");
 
-      try (ZipOutputWrapper out = new ZipOutputWrapper(Files.newOutputStream(Paths.get(spec.getPatchFile())));
+      try (ZipOutputWrapper out = new ZipOutputWrapper(Files.newOutputStream(Paths.get(spec.getPatchFile()), StandardOpenOption.CREATE_NEW));
            ZipInputStream in = new ZipInputStream(Files.newInputStream(Paths.get(spec.getJarFile())))) {
         ZipEntry e;
         while ((e = in.getNextEntry()) != null) {