diff --git a/spine-c/spine-c/src/spine/TransformConstraint.c b/spine-c/spine-c/src/spine/TransformConstraint.c
index 9aaa64e05..ec67f289d 100644
--- a/spine-c/spine-c/src/spine/TransformConstraint.c
+++ b/spine-c/spine-c/src/spine/TransformConstraint.c
@@ -240,7 +240,7 @@ void _spTransformConstraint_applyRelativeLocal(spTransformConstraint *self) {
 }
 
 void spTransformConstraint_update(spTransformConstraint *self) {
-	if (self->mixRotate == 0 && self->mixX == 0 && self->mixY == 0 && self->mixScaleX == 0 && self->mixScaleX == 0 &&
+	if (self->mixRotate == 0 && self->mixX == 0 && self->mixY == 0 && self->mixScaleX == 0 && self->mixScaleY == 0 &&
 		self->mixShearY == 0)
 		return;
 
diff --git a/spine-cpp/spine-cpp/src/spine/TransformConstraint.cpp b/spine-cpp/spine-cpp/src/spine/TransformConstraint.cpp
index 1d0611011..94e114dc0 100644
--- a/spine-cpp/spine-cpp/src/spine/TransformConstraint.cpp
+++ b/spine-cpp/spine-cpp/src/spine/TransformConstraint.cpp
@@ -62,7 +62,7 @@ TransformConstraint::TransformConstraint(TransformConstraintData &data, Skeleton
 }
 
 void TransformConstraint::update() {
-	if (_mixRotate == 0 && _mixX == 0 && _mixY == 0 && _mixScaleX == 0 && _mixScaleX == 0 && _mixShearY == 0) return;
+	if (_mixRotate == 0 && _mixX == 0 && _mixY == 0 && _mixScaleX == 0 && _mixScaleY == 0 && _mixShearY == 0) return;
 
 	if (_data.isLocal()) {
 		if (_data.isRelative())
diff --git a/spine-csharp/src/TransformConstraint.cs b/spine-csharp/src/TransformConstraint.cs
index b80804429..594ca7799 100644
--- a/spine-csharp/src/TransformConstraint.cs
+++ b/spine-csharp/src/TransformConstraint.cs
@@ -80,7 +80,7 @@ namespace Spine {
 		}
 
 		public void Update () {
-			if (mixRotate == 0 && mixX == 0 && mixY == 0 && mixScaleX == 0 && mixScaleX == 0 && mixShearY == 0) return;
+			if (mixRotate == 0 && mixX == 0 && mixY == 0 && mixScaleX == 0 && mixScaleY == 0 && mixShearY == 0) return;
 			if (data.local) {
 				if (data.relative)
 					ApplyRelativeLocal();
diff --git a/spine-ts/spine-core/src/TransformConstraint.ts b/spine-ts/spine-core/src/TransformConstraint.ts
index 797db5c3d..b742c9a41 100644
--- a/spine-ts/spine-core/src/TransformConstraint.ts
+++ b/spine-ts/spine-core/src/TransformConstraint.ts
@@ -80,7 +80,7 @@ export class TransformConstraint implements Updatable {
 	}
 
 	update () {
-		if (this.mixRotate == 0 && this.mixX == 0 && this.mixY == 0 && this.mixScaleX == 0 && this.mixScaleX == 0 && this.mixShearY == 0) return;
+		if (this.mixRotate == 0 && this.mixX == 0 && this.mixY == 0 && this.mixScaleX == 0 && this.mixScaleY == 0 && this.mixShearY == 0) return;
 
 		if (this.data.local) {
 			if (this.data.relative)