diff --git a/tutorials/sphereGranFlow/conveyorBelt/settings/settingsDict b/tutorials/sphereGranFlow/conveyorBelt/settings/settingsDict
index c5b6650d..532bba8d 100755
--- a/tutorials/sphereGranFlow/conveyorBelt/settings/settingsDict
+++ b/tutorials/sphereGranFlow/conveyorBelt/settings/settingsDict
@@ -8,7 +8,7 @@ fileFormat  ASCII;
 /*---------------------------------------------------------------------------*/
 run   layerdSiloFilling;
 
-dt 				0.00005; 	                     // time step for integration (s)
+dt 				0.00001; 	                     // time step for integration (s)
 
 startTime 		    0.0; 		                 // start time for simulation