diff --git a/packages/core/src/renderers/systems/textures/TextureSystem.js b/packages/core/src/renderers/systems/textures/TextureSystem.js
index 5e5a7d6..e4d108a 100644
--- a/packages/core/src/renderers/systems/textures/TextureSystem.js
+++ b/packages/core/src/renderers/systems/textures/TextureSystem.js
@@ -204,13 +204,15 @@
      */
     destroyTexture(texture, skipRemove)
     {
+        const gl = this.gl;
+
         texture = texture.baseTexture || texture;
 
         if (texture._glTextures[this.renderer.CONTEXT_UID])
         {
             this.unbind(texture);
 
-            texture._glTextures[this.renderer.CONTEXT_UID].texture.destroy();
+            gl.destroyTexture(texture._glTextures[this.renderer.CONTEXT_UID].texture);
             texture.off('dispose', this.destroyTexture, this);
 
             delete texture._glTextures[this.renderer.CONTEXT_UID];

diff --git a/packages/core/src/renderers/systems/textures/TextureSystem.js b/packages/core/src/renderers/systems/textures/TextureSystem.js
index 5e5a7d6..e4d108a 100644
--- a/packages/core/src/renderers/systems/textures/TextureSystem.js
+++ b/packages/core/src/renderers/systems/textures/TextureSystem.js
@@ -204,13 +204,15 @@
      */
     destroyTexture(texture, skipRemove)
     {
+        const gl = this.gl;
+
         texture = texture.baseTexture || texture;
 
         if (texture._glTextures[this.renderer.CONTEXT_UID])
         {
             this.unbind(texture);
 
-            texture._glTextures[this.renderer.CONTEXT_UID].texture.destroy();
+            gl.destroyTexture(texture._glTextures[this.renderer.CONTEXT_UID].texture);
             texture.off('dispose', this.destroyTexture, this);
 
             delete texture._glTextures[this.renderer.CONTEXT_UID];
diff --git a/packages/core/test/ImageResource.js b/packages/core/test/ImageResource.js
index e22c2a9..3118cc7 100644
--- a/packages/core/test/ImageResource.js
+++ b/packages/core/test/ImageResource.js
@@ -42,7 +42,7 @@
         expect(resource.width).to.equal(0);
         expect(resource.height).to.equal(0);
         expect(resource.valid).to.be.false;
-        expect(resource.url).to.equal(`file://${this.slugUrl}`);
+        expect(resource.url).to.equal(image.src);
 
         resource.destroy();
     });

diff --git a/packages/core/src/renderers/systems/textures/TextureSystem.js b/packages/core/src/renderers/systems/textures/TextureSystem.js
index 5e5a7d6..e4d108a 100644
--- a/packages/core/src/renderers/systems/textures/TextureSystem.js
+++ b/packages/core/src/renderers/systems/textures/TextureSystem.js
@@ -204,13 +204,15 @@
      */
     destroyTexture(texture, skipRemove)
     {
+        const gl = this.gl;
+
         texture = texture.baseTexture || texture;
 
         if (texture._glTextures[this.renderer.CONTEXT_UID])
         {
             this.unbind(texture);
 
-            texture._glTextures[this.renderer.CONTEXT_UID].texture.destroy();
+            gl.destroyTexture(texture._glTextures[this.renderer.CONTEXT_UID].texture);
             texture.off('dispose', this.destroyTexture, this);
 
             delete texture._glTextures[this.renderer.CONTEXT_UID];
diff --git a/packages/core/test/ImageResource.js b/packages/core/test/ImageResource.js
index e22c2a9..3118cc7 100644
--- a/packages/core/test/ImageResource.js
+++ b/packages/core/test/ImageResource.js
@@ -42,7 +42,7 @@
         expect(resource.width).to.equal(0);
         expect(resource.height).to.equal(0);
         expect(resource.valid).to.be.false;
-        expect(resource.url).to.equal(`file://${this.slugUrl}`);
+        expect(resource.url).to.equal(image.src);
 
         resource.destroy();
     });
diff --git a/packages/spritesheet/test/SpritesheetLoader.js b/packages/spritesheet/test/SpritesheetLoader.js
index 7238330..966c257 100644
--- a/packages/spritesheet/test/SpritesheetLoader.js
+++ b/packages/spritesheet/test/SpritesheetLoader.js
@@ -91,8 +91,8 @@
             }
             next();
         })
-            .add(`atlas_crn`, `file://${__dirname}/resources/atlas_crn.json`)
-            .add(`atlas`, `file://${__dirname}/resources/building1.json`)
+            .add(`atlas_crn`, path.join(__dirname, 'resources', 'atlas_crn.json'))
+            .add(`atlas`, path.join(__dirname, 'resources', 'building1.json'))
             .load((loader, resources) =>
             {
                 expect(resources.atlas_image.data).to.be.instanceof(HTMLImageElement);