diff --git a/src/viewer.js b/src/viewer.js
index 1bc23c746..31803e2d6 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -103,28 +103,28 @@ class gltfViewer
         const self = this;
         input.onRotate = (deltaX, deltaY) =>
         {
-            if (self.renderingParameters.cameraIndex === "orbit camera")
+            if (this.userCameraActive())
             {
                 this.userCamera.rotate(deltaX, deltaY);
             }
         };
         input.onPan = (deltaX, deltaY) =>
         {
-            if (self.renderingParameters.cameraIndex === "orbit camera")
+            if (this.userCameraActive())
             {
                 this.userCamera.pan(deltaX, deltaY);
             }
         };
         input.onZoom = (delta) =>
         {
-            if (self.renderingParameters.cameraIndex === "orbit camera")
+            if (this.userCameraActive())
             {
                 this.userCamera.zoomIn(delta);
             }
         };
         input.onResetCamera = () =>
         {
-            if (self.renderingParameters.cameraIndex === "orbit camera")
+            if (this.userCameraActive())
             {
                 self.userCamera.reset(self.gltf, self.renderingParameters.sceneIndex);
             }
@@ -309,7 +309,7 @@ class gltfViewer
         scene.applyTransformHierarchy(gltf);
 
         const transform = mat4.create();
-        if (this.renderingParameters.cameraIndex === "orbit camera")
+        if (this.userCameraActive())
         {
             const scaleFactor = getScaleFactor(gltf, this.renderingParameters.sceneIndex);
             mat4.scale(transform, transform, vec3.fromValues(scaleFactor, scaleFactor, scaleFactor));
@@ -371,6 +371,11 @@ class gltfViewer
             spinner.style.display = "none";
         }
     }
+
+    userCameraActive()
+    {
+        return this.userCameraActive();
+    }
 }
 
 export { gltfViewer };