diff --git a/src/app_context.ts b/src/app_context.ts
index 58f4666..dd635cd 100644
--- a/src/app_context.ts
+++ b/src/app_context.ts
@@ -154,7 +154,7 @@ export class AppContext {
 
         const uiElements = this._ui.layout.build.elements;
         const voxelMeshParams: VoxelMeshParams = {
-            desiredHeight: uiElements.height.getCachedValue() as number,
+            desiredHeight: uiElements.height.getDisplayValue(),
             useMultisampleColouring: uiElements.multisampleColouring.getCachedValue() === 'on',
             textureFiltering: uiElements.textureFiltering.getCachedValue() === 'linear' ? TextureFiltering.Linear : TextureFiltering.Nearest,
             enableAmbientOcclusion: uiElements.ambientOcclusion.getCachedValue() === 'on',
diff --git a/src/block_atlas.ts b/src/block_atlas.ts
index 292ec79..1bcf0d2 100644
--- a/src/block_atlas.ts
+++ b/src/block_atlas.ts
@@ -1,5 +1,5 @@
 import { HashMap } from './hash_map';
-import { UV, RGB, ASSERT, fileExists, ColourSpace, ATLASES_DIR, PALETTES_DIR, AppError, LOG_WARN, LOG } from './util';
+import { UV, RGB, ASSERT, fileExists, ColourSpace, ATLASES_DIR, PALETTES_DIR, AppError, LOG_WARN } from './util';
 import { Vector3 } from './vector';
 
 import fs from 'fs';
diff --git a/src/ui/elements/slider.ts b/src/ui/elements/slider.ts
index b9dd97d..322b046 100644
--- a/src/ui/elements/slider.ts
+++ b/src/ui/elements/slider.ts
@@ -126,6 +126,10 @@ export class SliderElement extends LabelledElement<number> {
         elementValue.innerHTML = this.getValue().toFixed(this._decimals);
     }
 
+    public getDisplayValue() {
+        return parseFloat(this.getValue().toFixed(this._decimals));
+    }
+
     protected _onEnabledChanged() {
         super._onEnabledChanged();