diff --git a/worker.py b/worker.py
index ca47c33..341ddc4 100755
--- a/worker.py
+++ b/worker.py
@@ -14,9 +14,12 @@ logger = Logger()
 
 def trigger_export(courseid, categoryid):
     global MOODLE_PATH, OUTPUT_PATH
-    output_name = f"course_{courseid}_{categoryid}_{datetime.now().timestamp()}"
-    subprocess.run([MOOSH_PATH, "-p", MOODLE_PATH, "course-backup",
-                   "-p", OUTPUT_PATH, "-f", output_name, "--template", courseid])
+    output_name = f"course_{courseid}_{categoryid}_{int(datetime.now().timestamp())}.mbz"
+    result = subprocess.run([MOOSH_PATH, "-p", MOODLE_PATH, "course-backup",
+                             "-p", OUTPUT_PATH, "-f", output_name, "--template", courseid],
+                            capture_output=True)
+    for line in str(result.stdout).splitlines():
+        logger.debug(line)
     return output_name
 
 
@@ -48,7 +51,7 @@ def main():
             size = Path(OUTPUT_PATH / output_name).stat().st_size
             f.unlink()
             logger.debug(
-                f"Created file {output_name} ({size} bytes) in {dur.seconds}")
+                f"Created file {output_name} ({size} bytes) in {dur.seconds} seconds")
         except Exception as e:
             logger.error(
                 f"Export of course {f.name.split('.')[0].split('-')[0]} failed: {e}")
@@ -57,4 +60,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()