diff --git a/CHANGELOG.md b/CHANGELOG.md
index 707052713198340f3cc397722b174a29ab591aa7..16c1d2677fd4d7a12a20d5103b7f2dc4a635f1cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ Note that since we don't clearly distinguish between a public and private interf
 
 - Remove pca transform from components ui focus (too distracting)
 - Fix artefacts with opaque outlines behind transparent objects
+- Fix polymer trace visual not updating
 
 ## [v3.31.1] - 2023-02-05
 
diff --git a/src/mol-repr/structure/visual/polymer-trace-mesh.ts b/src/mol-repr/structure/visual/polymer-trace-mesh.ts
index cdb114898c1fceeb82c467d46719c073c42d5b04..26a64472648eea2a1580c0da798f755c73bb4dfe 100644
--- a/src/mol-repr/structure/visual/polymer-trace-mesh.ts
+++ b/src/mol-repr/structure/visual/polymer-trace-mesh.ts
@@ -201,7 +201,7 @@ export function PolymerTraceVisual(materialId: number): UnitsVisual<PolymerTrace
 
             const secondaryStructureHash = SecondaryStructureProvider.get(newStructureGroup.structure).version;
             if ((state.info.secondaryStructureHash as number) !== secondaryStructureHash) {
-                state.createGeometry = state.info.secondaryStructureHash !== undefined;
+                if (state.info.secondaryStructureHash !== undefined) state.createGeometry = true;
                 state.info.secondaryStructureHash = secondaryStructureHash;
             }
         }