diff --git a/core/src/net/sf/openrocket/unit/UnitGroup.java b/core/src/net/sf/openrocket/unit/UnitGroup.java
index 1acf0a6ae..ae1a895b9 100644
--- a/core/src/net/sf/openrocket/unit/UnitGroup.java
+++ b/core/src/net/sf/openrocket/unit/UnitGroup.java
@@ -278,6 +278,7 @@ public class UnitGroup {
 		
 		UNITS_ROLL = new UnitGroup();
 		UNITS_ROLL.addUnit(new GeneralUnit(1, "rad/s"));
+		UNITS_ROLL.addUnit(new GeneralUnit(Math.PI / 180, DEGREE + "/s"));
 		UNITS_ROLL.addUnit(new GeneralUnit(2 * Math.PI, "r/s"));
 		UNITS_ROLL.addUnit(new GeneralUnit(2 * Math.PI / 60, "rpm"));
 		UNITS_ROLL.setDefaultUnit(1);