diff --git a/core/src/net/sf/openrocket/file/openrocket/savers/MassObjectSaver.java b/core/src/net/sf/openrocket/file/openrocket/savers/MassObjectSaver.java
index 3cbf57605..cefbb9345 100644
--- a/core/src/net/sf/openrocket/file/openrocket/savers/MassObjectSaver.java
+++ b/core/src/net/sf/openrocket/file/openrocket/savers/MassObjectSaver.java
@@ -15,9 +15,9 @@ public class MassObjectSaver extends InternalComponentSaver {
 
 		elements.add("<packedlength>" + mass.getLength() + "</packedlength>");
 		if (mass.isRadiusAutomatic()) {
-			elements.add("<packedradius>auto " + mass.getRadius() + "</packedradius>");
+			elements.add("<packedradius>auto " + mass.getRadiusNoAuto() + "</packedradius>");
 		} else {
-			elements.add("<packedradius>" + mass.getRadius() + "</packedradius>");
+			elements.add("<packedradius>" + mass.getRadiusNoAuto() + "</packedradius>");
 		}
 		elements.add("<radialposition>" + mass.getRadialPosition() + "</radialposition>");
 		elements.add("<radialdirection>" + (mass.getRadialDirection() * 180.0 / Math.PI)
diff --git a/core/src/net/sf/openrocket/rocketcomponent/MassObject.java b/core/src/net/sf/openrocket/rocketcomponent/MassObject.java
index 69ecdc658..4c2c30b0a 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/MassObject.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/MassObject.java
@@ -86,7 +86,10 @@ public abstract class MassObject extends InternalComponent {
 		}
 		return radius;
 	}
-	
+
+	public double getRadiusNoAuto() {
+		return radius;
+	}
 	
 	public void setRadius(double radius) {
 		radius = Math.max(radius, 0);