diff --git a/src/textual/_resolve.py b/src/textual/_resolve.py
index ddbdd1d5c..1ee40af9e 100644
--- a/src/textual/_resolve.py
+++ b/src/textual/_resolve.py
@@ -143,7 +143,7 @@ def resolve_fraction_unit(
     resolved: list[Fraction | None] = [None] * len(resolve)
     remaining_fraction = Fraction(sum(scalar.value for scalar, _, _ in resolve))
 
-    while True:
+    while remaining_fraction:
         remaining_space_changed = False
         resolve_fraction = Fraction(remaining_space, remaining_fraction)
         for index, (scalar, min_value, max_value) in enumerate(resolve):
@@ -166,7 +166,7 @@ def resolve_fraction_unit(
 
     return (
         Fraction(remaining_space, remaining_fraction)
-        if remaining_space
+        if remaining_space > 0
         else Fraction(1)
     )
 
diff --git a/tests/test_resolve.py b/tests/test_resolve.py
index c7cdd485e..b73db6c55 100644
--- a/tests/test_resolve.py
+++ b/tests/test_resolve.py
@@ -125,9 +125,6 @@ def test_resolve_fraction_unit():
     ) == Fraction(2)
 
 
-@pytest.mark.xfail(
-    strict=True, reason="https://github.com/Textualize/textual/issues/2502"
-)
 def test_resolve_issue_2502():
     """Test https://github.com/Textualize/textual/issues/2502"""