diff --git a/totalsegmentator/config.py b/totalsegmentator/config.py
index d9a491648..dbb2f8522 100644
--- a/totalsegmentator/config.py
+++ b/totalsegmentator/config.py
@@ -75,7 +75,7 @@ def setup_totalseg(totalseg_id=None):
 def set_license_number(license_number):
     if not is_valid_license(license_number):
         print("ERROR: Invalid license number. Please check your license number or contact support.")
-        sys.exit(0)
+        sys.exit(1)
 
     totalseg_dir = get_totalseg_dir()
     totalseg_config_file = totalseg_dir / "config.json"
@@ -106,7 +106,7 @@ def is_valid_license(license_number):
     try:
         url = f"http://backend.totalsegmentator.com:80/"
         r = requests.post(url + "is_valid_license_number",
-                          json={"license_number": license_number}, timeout=2)
+                          json={"license_number": license_number}, timeout=5)
         if r.ok:
             return r.json()['status'] == "valid_license"
         else:
@@ -226,7 +226,7 @@ def send_usage_stats(config, params):
                                     "python_version": sys.version,
                                     "cuda_available": torch.cuda.is_available(),
                                     "license_number": license_number
-                                    }, timeout=2)
+                                    }, timeout=5)
             # if r.ok:
             #     print(f"status: {r.json()['status']}")
             # else:
diff --git a/totalsegmentator/libs.py b/totalsegmentator/libs.py
index bbf99f29d..53380fa07 100644
--- a/totalsegmentator/libs.py
+++ b/totalsegmentator/libs.py
@@ -80,7 +80,7 @@ def download_model_with_license_and_unpack(task_name, config_dir):
         else:
             if r.json()['status'] == "invalid_license":
                 print(f"ERROR: Invalid license number ({license_number}). Please check your license number or contact support.")
-                sys.exit(0)
+                sys.exit(1)
             
     except Exception as e:
         raise e
diff --git a/totalsegmentator/python_api.py b/totalsegmentator/python_api.py
index faf9f7528..40c98e4ae 100644
--- a/totalsegmentator/python_api.py
+++ b/totalsegmentator/python_api.py
@@ -29,13 +29,13 @@ def show_license_info():
 
               For commercial usage contact: jakob.wasserthal@usb.ch
               """))
-        sys.exit(0)
+        sys.exit(1)
     elif status == "invalid_license":
         print(message)
-        sys.exit(0)
+        sys.exit(1)
     elif status == "missing_config_file":
         print(message)
-        sys.exit(0)
+        sys.exit(1)
 
 
 def totalsegmentator(input, output, ml=False, nr_thr_resamp=1, nr_thr_saving=6,