diff --git a/crates/obscura-render/src/dom.rs b/crates/obscura-render/src/dom.rs
index d28abd2..b01d0bb 100644
--- a/crates/obscura-render/src/dom.rs
+++ b/crates/obscura-render/src/dom.rs
@@ -7951,8 +7951,6 @@ fn build_children_with_float_zone(
             parent.height,
             crate::Dimension::Px(_) | crate::Dimension::Percent(_)
         ) && parent.size_expressions[1].is_none()
-            && !has_in_flow_generated_pseudo(parent.before_pseudo.as_deref())
-            && !has_in_flow_generated_pseudo(parent.after_pseudo.as_deref())
     });
     if parent_has_definite_height {
         let fills_axis = |value: f32| (value - 1.0).abs() < 0.001;
diff --git a/crates/obscura-render/tests/layout_test.rs b/crates/obscura-render/tests/layout_test.rs
index dffbb65..064d17e 100644
--- a/crates/obscura-render/tests/layout_test.rs
+++ b/crates/obscura-render/tests/layout_test.rs
@@ -892,6 +892,8 @@ fn full_width_percentage_float_uses_definite_containing_block() {
         <style>
           html, body { margin: 0; width: 100%; height: 100% }
           #host { width: 100%; height: 100% }
+          #host::before, #host::after { content: " "; display: table }
+          #host::after { clear: both }
           #float {
             float: left;
             display: flex;