diff --git a/oks_cli/utils.py b/oks_cli/utils.py
index fd068f3..6f181ee 100644
--- a/oks_cli/utils.py
+++ b/oks_cli/utils.py
@@ -309,8 +309,13 @@ def login_profile(name):
     Raises an exception if the profile does not exist or lacks required info.
     """
     _, PROFILE_FILE = get_config_path()
+
+    # check is profile name is defined by user as environment variable
     if name is None:
-        name = "default"
+        if os.getenv('OKS_PROFILE') is None:
+            name = "default"
+        else:
+            name = os.getenv('OKS_PROFILE')
 
     if os.path.exists(PROFILE_FILE):
         with open(PROFILE_FILE, 'r') as file:
@@ -636,7 +641,14 @@ def shell_completions(ctx, param: click.core.Option, incomplete):
     CONFIG_FOLDER, _ = get_config_path()
 
     profiles = profile_list()
-    profile = ctx.params["profile"] or ctx.parent.params["profile"] or ctx.parent.parent.params["profile"] or "default"
+    profile = ctx.params["profile"] or ctx.parent.params["profile"] or ctx.parent.parent.params["profile"] or None
+
+    # Check if OKS_PROFILE is set somehow
+    if profile is None:
+        if os.getenv('OKS_PROFILE') is None:
+            profile = 'default'
+        else:
+            profile = os.getenv('OKS_PROFILE')
 
     if profile not in profiles:
         return []