diff --git a/src/postProcessing/functionObjects/graphics/runTimePostProcessing/scene.C b/src/postProcessing/functionObjects/graphics/runTimePostProcessing/scene.C
index 3ceace9695..54b6257d82 100644
--- a/src/postProcessing/functionObjects/graphics/runTimePostProcessing/scene.C
+++ b/src/postProcessing/functionObjects/graphics/runTimePostProcessing/scene.C
@@ -348,7 +348,14 @@ bool Foam::scene::loop(vtkRenderer* renderer)
 
     currentFrameI_++;
 
-    position_ += currentFrameI_*dPosition_;
+    position_ += dPosition_;
+
+    if (position_ > (1 + 0.5*dPosition_))
+    {
+        WarningInFunction
+            << "Current position exceeded 1 - please check your setup"
+            << endl;
+    }
 
     if (currentFrameI_ < nFrameTotal_)
     {