diff --git a/dynamic_programming/nth_ugly_number.py b/dynamic_programming/nth_ugly_number.py
index bb876ea8f..6d62aba89 100644
--- a/dynamic_programming/nth_ugly_number.py
+++ b/dynamic_programming/nth_ugly_number.py
@@ -82,7 +82,7 @@ if __name__ == "__main__":
                 print("\n********* END ************")
                 break
             else:
-                ugly_number = nthUglyNumber(n)
+                ugly_number = nth_Ugly_Number(n)
                 print(f"The {n}th Ugly Number is: {ugly_number}")
                 print("Try another index to find a Ugly Number: ", end="")
     except (NameError, ValueError):