diff --git a/tools/lib/provision_inner.py b/tools/lib/provision_inner.py
index a4aa1d417f..09f513e25a 100755
--- a/tools/lib/provision_inner.py
+++ b/tools/lib/provision_inner.py
@@ -98,7 +98,7 @@ def setup_shell_profile(shell_profile: str) -> None:
     def write_command(command: str) -> None:
         if os.path.exists(shell_profile_path):
             with open(shell_profile_path) as shell_profile_file:
-                lines = [line.strip() for line in shell_profile_file.readlines()]
+                lines = [line.strip() for line in shell_profile_file]
             if command not in lines:
                 with open(shell_profile_path, "a+") as shell_profile_file:
                     shell_profile_file.writelines(command + "\n")