diff --git a/source/BUG/strings.py b/source/BUG/strings.py
index 5cdfb0f..a60a7b2 100644
--- a/source/BUG/strings.py
+++ b/source/BUG/strings.py
@@ -74,7 +74,7 @@ def extract_digits(s: str) -> str:
     """
     BUG030: extract_digits should return a string containing only the digits from the input string, not convert it to int.
     """
-    result = int(s)
+    result = str(s)
     return result