diff --git a/swing/src/net/sf/openrocket/gui/adaptors/DoubleModel.java b/swing/src/net/sf/openrocket/gui/adaptors/DoubleModel.java
index f115251e8..7aee2b8a6 100644
--- a/swing/src/net/sf/openrocket/gui/adaptors/DoubleModel.java
+++ b/swing/src/net/sf/openrocket/gui/adaptors/DoubleModel.java
@@ -321,7 +321,7 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 				return MAX;
 			
 			double x;
-			if (value <= mid.getValue()) {
+			if ((value <= mid.getValue()) || (quad2 == 0)) {		// If quad 2 is 0, the midpoint is perfectly in center
 				// Use linear scale
 				//linear0 = min;
 				//linear1 = (mid-min)/pos;
@@ -468,7 +468,10 @@ public class DoubleModel implements StateChangeListener, ChangeSource, Invalidat
 	}
 	
 	public BoundedRangeModel getSliderModel(double min, double mid, double max) {
-		return new ValueSliderModel(min, mid, max);
+		if (MathUtil.equals(mid, (max + min)/2.0))
+			return new ValueSliderModel(min, max);
+		else
+			return new ValueSliderModel(min, mid, max);
 	}
 	
 	public BoundedRangeModel getSliderModel(double min, double mid, DoubleModel max) {