diff --git a/src/utils/__tests__/glassNavbarRefraction.spec.ts b/src/utils/__tests__/glassNavbarRefraction.spec.ts
index 61e56b11..ca5ff034 100644
--- a/src/utils/__tests__/glassNavbarRefraction.spec.ts
+++ b/src/utils/__tests__/glassNavbarRefraction.spec.ts
@@ -76,6 +76,7 @@ describe('createGlassNavbarDisplacementField', () => {
     { width: 127, height: 64, radius: 8 },
     { width: 127, height: 64, radius: 32 },
     { width: 260, height: 800, radius: 0 },
+    { width: 68, height: 862, radius: 0 },
   ])('keeps two-dimensional sampling forward and inside the image for $width x $height r$radius', geometry => {
     for (const deformation of [0, 48, 100])
       for (const translation of [0, 48, 100])