1 files changed, 3 insertions, 3 deletions
diff --git a/components/layout/multicol.rs b/components/layout/multicol.rs
index 3e7cb66c2c9..e2294e55c1d 100644
--- a/components/layout/multicol.rs
+++ b/components/layout/multicol.rs
@@ -10,7 +10,7 @@ use ServoArc;
 use app_units::Au;
 use block::BlockFlow;
 use context::LayoutContext;
-use display_list_builder::DisplayListBuildState;
+use display_list_builder::{DisplayListBuildState, StackingContextCollectionState};
 use euclid::{Point2D, Vector2D};
 use floats::FloatKind;
 use flow::{Flow, FlowClass, OpaqueFlow, mut_base, FragmentationContext};
@@ -189,7 +189,7 @@ impl Flow for MulticolFlow {
         self.block_flow.build_display_list(state);
     }
 
-    fn collect_stacking_contexts(&mut self, state: &mut DisplayListBuildState) {
+    fn collect_stacking_contexts(&mut self, state: &mut StackingContextCollectionState) {
         self.block_flow.collect_stacking_contexts(state);
     }
 
@@ -279,7 +279,7 @@ impl Flow for MulticolColumnFlow {
         self.block_flow.build_display_list(state);
     }
 
-    fn collect_stacking_contexts(&mut self, state: &mut DisplayListBuildState) {
+    fn collect_stacking_contexts(&mut self, state: &mut StackingContextCollectionState) {
         self.block_flow.collect_stacking_contexts(state);
     }