diff --git a/maths/greatest_common_divisor.py b/maths/greatest_common_divisor.py
index ce0abc664cf9..f2f5510f9bd8 100644
--- a/maths/greatest_common_divisor.py
+++ b/maths/greatest_common_divisor.py
@@ -73,9 +73,7 @@ def main():
             f"{greatest_common_divisor(num_1, num_2)}"
         )
         print(f"By iterative gcd({num_1}, {num_2}) = {gcd_by_iterative(num_1, num_2)}")
-    except IndexError, UnboundLocalError, ValueError:
+    except (IndexError, ValueError):
         print("Wrong input")
 
 
-if __name__ == "__main__":
-    main()