diff --git a/spine-ts/build/spine-all.js b/spine-ts/build/spine-all.js
index 8d2b14ab9..e7b0eb6f1 100644
--- a/spine-ts/build/spine-all.js
+++ b/spine-ts/build/spine-all.js
@@ -4295,7 +4295,7 @@ var spine;
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (var ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (var ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						var x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);
diff --git a/spine-ts/build/spine-canvas.js b/spine-ts/build/spine-canvas.js
index 4421d1816..7e4e3c150 100644
--- a/spine-ts/build/spine-canvas.js
+++ b/spine-ts/build/spine-canvas.js
@@ -4295,7 +4295,7 @@ var spine;
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (var ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (var ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						var x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);
diff --git a/spine-ts/build/spine-core.js b/spine-ts/build/spine-core.js
index 38d94f064..b9d41c709 100644
--- a/spine-ts/build/spine-core.js
+++ b/spine-ts/build/spine-core.js
@@ -3975,7 +3975,7 @@ var spine;
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (var ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (var ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						var x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);
diff --git a/spine-ts/build/spine-threejs.js b/spine-ts/build/spine-threejs.js
index 3c8d4cb0b..ee29d21bf 100644
--- a/spine-ts/build/spine-threejs.js
+++ b/spine-ts/build/spine-threejs.js
@@ -3975,7 +3975,7 @@ var spine;
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (var ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (var ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						var x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);
diff --git a/spine-ts/build/spine-webgl.js b/spine-ts/build/spine-webgl.js
index 2e17699be..17f14e261 100644
--- a/spine-ts/build/spine-webgl.js
+++ b/spine-ts/build/spine-webgl.js
@@ -3975,7 +3975,7 @@ var spine;
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (var ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (var ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						var x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);
diff --git a/spine-ts/build/spine-widget.js b/spine-ts/build/spine-widget.js
index bf9497554..90c8936b1 100644
--- a/spine-ts/build/spine-widget.js
+++ b/spine-ts/build/spine-widget.js
@@ -3975,7 +3975,7 @@ var spine;
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (var ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (var ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						var x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);
diff --git a/spine-ts/core/src/Skeleton.ts b/spine-ts/core/src/Skeleton.ts
index 67d8840dd..68ae6c36b 100644
--- a/spine-ts/core/src/Skeleton.ts
+++ b/spine-ts/core/src/Skeleton.ts
@@ -489,7 +489,7 @@ module spine {
 					mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
 				}
 				if (vertices != null) {
-					for (let ii = 0, nn = vertices.length; ii < nn; ii += 8) {
+					for (let ii = 0, nn = vertices.length; ii < nn; ii += 2) {
 						let x = vertices[ii], y = vertices[ii + 1];
 						minX = Math.min(minX, x);
 						minY = Math.min(minY, y);