diff --git a/core/src/net/sf/openrocket/rocketcomponent/FinSet.java b/core/src/net/sf/openrocket/rocketcomponent/FinSet.java
index a44fd13f7..4bd080a96 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/FinSet.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/FinSet.java
@@ -28,8 +28,11 @@ public abstract class FinSet extends ExternalComponent implements AxialPositiona
 	 * Maximum allowed cant of fins.
 	 */
 	public static final double MAX_CANT_RADIANS = (15.0 * Math.PI / 180);
-	
-	public enum CrossSection {
+
+    public void setOverrideMass() {
+    }
+
+    public enum CrossSection {
 		//// Square
 		SQUARE(trans.get("FinSet.CrossSection.SQUARE"), 1.00),
 		//// Rounded
diff --git a/swing/src/net/sf/openrocket/gui/configdialog/FinSetConfig.java b/swing/src/net/sf/openrocket/gui/configdialog/FinSetConfig.java
index c375a0262..06dee6dc5 100644
--- a/swing/src/net/sf/openrocket/gui/configdialog/FinSetConfig.java
+++ b/swing/src/net/sf/openrocket/gui/configdialog/FinSetConfig.java
@@ -129,6 +129,7 @@ public abstract class FinSetConfig extends RocketComponentConfig {
 							copy.setFinCount(1);
 							copy.setBaseRotation(base + i * 2 * Math.PI / count);
 							copy.setName(copy.getName() + " #" + (i + 1));
+							copy.setOverrideMass(((FinSet) component).getOverrideMass()/((FinSet) component).getFinCount());
 							parent.addChild(copy, index + i);
 						}
 					}