diff --git a/insomniac/__version__.py b/insomniac/__version__.py
index eeeaf55..9ce1903 100644
--- a/insomniac/__version__.py
+++ b/insomniac/__version__.py
@@ -13,7 +13,7 @@
 __title__ = 'insomniac'
 __description__ = 'Simple Instagram bot for automated Instagram interaction using Android.'
 __url__ = 'https://github.com/alexal1/Insomniac/'
-__version__ = '3.7.27'
+__version__ = '3.7.28'
 __debug_mode__ = False
 __author__ = 'Insomniac Team'
 __author_email__ = 'info@insomniac-bot.com'
diff --git a/insomniac/session.py b/insomniac/session.py
index 23df03d..e34bb0d 100644
--- a/insomniac/session.py
+++ b/insomniac/session.py
@@ -136,7 +136,7 @@ def update_session_speed(args):
     def should_close_app_after_session(args, device_wrapper):
         if args.repeat is None:
             return True
-        if float(args.repeat) > 0:
+        if not is_zero_value(args.repeat):
             return True
         return not Session.is_next_app_id_same(args, device_wrapper)
 
diff --git a/insomniac/utils.py b/insomniac/utils.py
index f18fb9f..a5af710 100644
--- a/insomniac/utils.py
+++ b/insomniac/utils.py
@@ -174,11 +174,16 @@ def execute_command(cmd) -> Optional[str]:
     except IndexError:
         # There's a bug in some Python versions that raises this error https://github.com/python/cpython/pull/24777
         return None
-    err = cmd_res.stderr.strip()
-    if err:
-        print(COLOR_FAIL + err + COLOR_ENDC)
+    err = cmd_res.stderr
+    out = cmd_res.stdout
+    if err is not None:
+        err = err.strip()
+        if len(err) > 0:
+            print(COLOR_FAIL + err.strip() + COLOR_ENDC)
         return None
-    return cmd_res.stdout.strip()
+    if out is not None:
+        return out.strip()
+    return None
 
 
 def save_crash(device, ex=None):
@@ -293,6 +298,16 @@ def print_error():
     return value
 
 
+def is_zero_value(count: str) -> bool:
+    parts = count.split("-")
+    if len(parts) == 1:
+        try:
+            return float(count) == 0
+        except ValueError:
+            pass
+    return False
+
+
 def get_left_right_values(left_right_str, name, default):
     def print_error():
         print(COLOR_FAIL + name.format(default) + f". Using default value instead of \"{left_right_str}\", because it "