diff --git a/source/ResourceLoader/loader_utils.js b/source/ResourceLoader/loader_utils.js
index ff8eed14..7053a3c6 100644
--- a/source/ResourceLoader/loader_utils.js
+++ b/source/ResourceLoader/loader_utils.js
@@ -60,6 +60,9 @@ class ResourceLoaderUtils {
      * @returns {boolean} `true` if the URL is absolute, `false` otherwise.
      */
     static isAbsoluteUrl(url) {
+        if (url.startsWith("data:")) {
+            return false;
+        }
         const colonIndex = url.indexOf(":");
         const slashIndex = url.indexOf("/");
         return colonIndex !== -1 && (slashIndex === -1 || colonIndex < slashIndex);
diff --git a/source/gltf/primitive.js b/source/gltf/primitive.js
index 2a0eec1b..93b354f3 100644
--- a/source/gltf/primitive.js
+++ b/source/gltf/primitive.js
@@ -394,9 +394,15 @@ class gltfPrimitive extends GltfObject {
 
     copyDataFromDecodedGeometry(gltf, dracoGeometry, primitiveAttributes) {
         // indices
-        let indexBuffer = dracoGeometry.index.array;
         if (this.indices !== undefined) {
+            let indexBuffer = this.loadArrayIntoArrayBuffer(
+                dracoGeometry.index.array,
+                dracoGeometry.index.array.constructor.name
+            );
             this.loadBufferIntoGltf(indexBuffer, gltf, this.indices, 34963, "index buffer view");
+
+            // DRACO decoder always outputs uint32 indices
+            gltf.accessors[this.indices].componentType = GL.UNSIGNED_INT;
         }
 
         // Position