diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
index a3bea9e9e..06cde4795 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
@@ -112,10 +112,10 @@ public class PathConstraint implements Constraint {
 			if (scale) lengths = this.lengths.setSize(boneCount);
 			for (int i = 0, n = spacesCount - 1; i < n;) {
 				Bone bone = (Bone)bones[i];
-				float length = bone.data.length, x = length * bone.a, y = length * bone.c;
-				length = (float)Math.sqrt(x * x + y * y);
+				float setupLength = bone.data.length, x = setupLength * bone.a, y = setupLength * bone.c;
+				float length = (float)Math.sqrt(x * x + y * y);
 				if (scale) lengths[i] = length;
-				spaces[++i] = lengthSpacing ? Math.max(0, length + spacing) : spacing;
+				spaces[++i] = (lengthSpacing ? setupLength + spacing : spacing) * length / setupLength;
 			}
 		} else {
 			for (int i = 1; i < spacesCount; i++)