diff --git a/VectoCommon/VectoCommon/Utils/SI.cs b/VectoCommon/VectoCommon/Utils/SI.cs
index aec46177636d97b7432fca1b33d2124da7e5d2b7..8abeeea6e2b3f5dab466bcdadf1c0be24e93dce9 100644
--- a/VectoCommon/VectoCommon/Utils/SI.cs
+++ b/VectoCommon/VectoCommon/Utils/SI.cs
@@ -619,6 +619,12 @@ namespace TUGraz.VectoCommon.Utils
 		[DebuggerHidden]
 		private PerSecond(double val) : base(val, new Unit[0], DenominatorDefault) {}
 
+		[DebuggerHidden]
+		public static PerSquareSecond operator /(PerSecond perSecond, Second second)
+		{
+			return SIBase<PerSquareSecond>.Create(perSecond.Val / second.Value());
+		}
+
 		public double AsRPM
 		{
 			get { return Val * 60 / (2 * Math.PI); }