diff --git a/java_console/logging/src/com/rusefi/FileLog.java b/java_console/logging/src/com/rusefi/FileLog.java
index da80cd6939..e8ac34d209 100644
--- a/java_console/logging/src/com/rusefi/FileLog.java
+++ b/java_console/logging/src/com/rusefi/FileLog.java
@@ -68,7 +68,7 @@ public enum FileLog {
     }
 
     public static String getDate() {
-        return new SimpleDateFormat("yyyy-MM-dd HH_mm").format(new Date());
+        return new SimpleDateFormat("yyyy-MM-dd_HH_mm").format(new Date());
     }
 
     public synchronized void logLine(String fullLine) {
diff --git a/java_console/models/src/com/rusefi/AverageAnglesUtil.java b/java_console/models/src/com/rusefi/AverageAnglesUtil.java
index ec3ee248ea..23ab97c9e6 100644
--- a/java_console/models/src/com/rusefi/AverageAnglesUtil.java
+++ b/java_console/models/src/com/rusefi/AverageAnglesUtil.java
@@ -15,8 +15,13 @@ public class AverageAnglesUtil {
     private static int currentRpm = -1;
 
     public static void main(String[] args) throws IOException {
-        runUtil("a.csv", Logger.CONSOLE);
-   }
+        if (args.length != 1) {
+            System.out.println("One parameter expected: log_file_name.csv");
+            System.exit(-1);
+        }
+        String fileName = args[0];
+        runUtil(fileName, Logger.CONSOLE);
+    }
 
     public static String runUtil(String fileName, Logger logger) throws IOException {
         BufferedReader br = new BufferedReader(new FileReader(fileName));