diff --git a/tutorials/sphereGranFlow/RotatingDrumWithBaffles/settings/particlesDict b/tutorials/sphereGranFlow/RotatingDrumWithBaffles/settings/particlesDict
index a7f58c61..4be2a5c3 100644
--- a/tutorials/sphereGranFlow/RotatingDrumWithBaffles/settings/particlesDict
+++ b/tutorials/sphereGranFlow/RotatingDrumWithBaffles/settings/particlesDict
@@ -16,7 +16,7 @@ setFields
 		// rotational velocity (rad/s) 		
 		rotVelocity 	realx3 	(0 0 0);
 		// name of the particle shape   		
-		shapeName 		word	lightSphere; 	
+		shapeName 		word	smallSphere; 	
 	}
 
 	selectors