diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index cb56559..125d4e1 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -39,7 +39,7 @@
          * @type {PIXI.prepare.CanvasPrepare|PIXI.WebGLRenderer}
          * @protected
          */
-        this.uploadHookSource = null;
+        this.uploadHookHelper = null;
 
         /**
          * Collection of items to uploads at once.
@@ -136,7 +136,7 @@
 
             for (let i = 0, len = this.uploadHooks.length; i < len; i++)
             {
-                if (this.uploadHooks[i](this.uploadHookSource, item))
+                if (this.uploadHooks[i](this.uploadHookHelper, item))
                 {
                     this.queue.shift();
                     uploaded = true;
@@ -239,7 +239,7 @@
         this.completes = null;
         this.queue = null;
         this.limiter = null;
-        this.uploadHookSource = null;
+        this.uploadHookHelper = null;
     }
 
 }

diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index cb56559..125d4e1 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -39,7 +39,7 @@
          * @type {PIXI.prepare.CanvasPrepare|PIXI.WebGLRenderer}
          * @protected
          */
-        this.uploadHookSource = null;
+        this.uploadHookHelper = null;
 
         /**
          * Collection of items to uploads at once.
@@ -136,7 +136,7 @@
 
             for (let i = 0, len = this.uploadHooks.length; i < len; i++)
             {
-                if (this.uploadHooks[i](this.uploadHookSource, item))
+                if (this.uploadHooks[i](this.uploadHookHelper, item))
                 {
                     this.queue.shift();
                     uploaded = true;
@@ -239,7 +239,7 @@
         this.completes = null;
         this.queue = null;
         this.limiter = null;
-        this.uploadHookSource = null;
+        this.uploadHookHelper = null;
     }
 
 }
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index d292d0d..dfed28d 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -21,7 +21,7 @@
     {
         super(renderer);
 
-        this.uploadHookSource = this;
+        this.uploadHookHelper = this;
 
         /**
         * An offline canvas to render textures to

diff --git a/src/prepare/BasePrepare.js b/src/prepare/BasePrepare.js
index cb56559..125d4e1 100644
--- a/src/prepare/BasePrepare.js
+++ b/src/prepare/BasePrepare.js
@@ -39,7 +39,7 @@
          * @type {PIXI.prepare.CanvasPrepare|PIXI.WebGLRenderer}
          * @protected
          */
-        this.uploadHookSource = null;
+        this.uploadHookHelper = null;
 
         /**
          * Collection of items to uploads at once.
@@ -136,7 +136,7 @@
 
             for (let i = 0, len = this.uploadHooks.length; i < len; i++)
             {
-                if (this.uploadHooks[i](this.uploadHookSource, item))
+                if (this.uploadHooks[i](this.uploadHookHelper, item))
                 {
                     this.queue.shift();
                     uploaded = true;
@@ -239,7 +239,7 @@
         this.completes = null;
         this.queue = null;
         this.limiter = null;
-        this.uploadHookSource = null;
+        this.uploadHookHelper = null;
     }
 
 }
diff --git a/src/prepare/canvas/CanvasPrepare.js b/src/prepare/canvas/CanvasPrepare.js
index d292d0d..dfed28d 100644
--- a/src/prepare/canvas/CanvasPrepare.js
+++ b/src/prepare/canvas/CanvasPrepare.js
@@ -21,7 +21,7 @@
     {
         super(renderer);
 
-        this.uploadHookSource = this;
+        this.uploadHookHelper = this;
 
         /**
         * An offline canvas to render textures to
diff --git a/src/prepare/webgl/WebGLPrepare.js b/src/prepare/webgl/WebGLPrepare.js
index 7023948..77f6d61 100644
--- a/src/prepare/webgl/WebGLPrepare.js
+++ b/src/prepare/webgl/WebGLPrepare.js
@@ -16,7 +16,7 @@
     {
         super(renderer);
 
-        this.uploadHookSource = this.renderer;
+        this.uploadHookHelper = this.renderer;
 
         // Add textures and graphics to upload
         this.register(findBaseTextures, uploadBaseTextures)