diff --git a/packages/blocks/package.json b/packages/blocks/package.json
index c7eef843..d70f80ef 100644
--- a/packages/blocks/package.json
+++ b/packages/blocks/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@viamrobotics/prime-blocks",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/blocks/src/lib/index.ts b/packages/blocks/src/lib/index.ts
index aa5d64f5..7db45e1d 100644
--- a/packages/blocks/src/lib/index.ts
+++ b/packages/blocks/src/lib/index.ts
@@ -1,3 +1,9 @@
+if (!('createObjectURL' in globalThis.URL)) {
+  throw new Error(
+    '<MapLibre> requires the window.URL.createObjectURL method. If in a testing environment, this must be mocked or stubbed.'
+  );
+}
+
 // Three.js components
 export { default as AxesHelper } from './axes-helper/axes-helper.svelte';
 export { LengthCapsuleGeometry } from './capsule-geometry/capsule-geometry';