diff --git a/src/basic/Matrix.js b/src/basic/Matrix.js
index f65802e1..17a3a9d0 100644
--- a/src/basic/Matrix.js
+++ b/src/basic/Matrix.js
@@ -95,10 +95,15 @@ var Matrix = Base.extend({
 	 * @return {Matrix} This affine transform.
 	 */
 	scale: function(sx, sy /* | scale */, center) {
-		// TODO: Make single scale parameter work with center points!
-		// Check arguments.length and typeof arguments[1], if object, assume
-		// scale
-		center = Point.read(arguments, 2);
+		if (arguments.length < 2 || typeof sy == 'object') {
+			// sx is the single scale parameter, representing both sx and sy
+			// Read center first from argument 1, then set sy = sx (thus
+			// modifing the content of argument 1!)
+			center = Point.read(arguments, 1);
+			sy = sx;
+		} else {
+			center = Point.read(arguments, 2);
+		}
 		if (center)
 			this.translate(center);
 		this._m00 *= sx;
@@ -150,7 +155,13 @@ var Matrix = Base.extend({
 	 * @return {Matrix} This affine transform.
 	 */
 	shear: function(shx, shy, center) {
-		center = Point.read(arguments, 2);
+		// See #scale() for explanation of this:
+		if (arguments.length < 2 || typeof shy == 'object') {
+			center = Point.read(arguments, 1);
+			sy = sx;
+		} else {
+			center = Point.read(arguments, 2);
+		}
 		if (center)
 			this.translate(center);
 		var m00 = this._m00;
diff --git a/src/item/Item.js b/src/item/Item.js
index aca04392..ca076cba 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -507,8 +507,11 @@ Item = Base.extend({
 	 * @see Matrix#scale(double, double, Point center)
 	 */
 	scale: function(sx, sy /* | scale */, center) {
-		// TODO: Make single scale parameter work, and still pass center
-		// or position
+		// See Matrix#scale for explanation of this:
+		if (arguments.length < 2 || typeof sy == 'object') {
+			center = sy;
+			sy = sx;
+		}
 		this.transform(new Matrix().scale(sx, sy, center || this.position));
 	},
 
@@ -535,6 +538,11 @@ Item = Base.extend({
 	 */
 	shear: function(shx, shy, center) {
 		// TODO: Add support for center back to Scriptographer too!
+		// See Matrix#scale for explanation of this:
+		if (arguments.length < 2 || typeof sy == 'object') {
+			center = shy;
+			shy = shx;
+		}
 		this.transform(new Matrix().shear(shx, shy, center || this.position));
 	}
 });
diff --git a/test/tests/Path_Bounds.js b/test/tests/Path_Bounds.js
index 226c274e..43db98c2 100644
--- a/test/tests/Path_Bounds.js
+++ b/test/tests/Path_Bounds.js
@@ -18,7 +18,7 @@ test('path.bounds', function() {
 	comparePoints(path.position, { x: 192.66016, y: 349.13184 });
 
 	// Scale the path by 0.5 and check bounds
-	path.scale(0.5, 0.5);
+	path.scale(0.5);
 	compareRectangles(path.bounds, { x: 153.7437, y: 312.09976, width: 77.8329, height: 74.06381 });
 
 	// Move the path to another position and check bounds