diff --git a/README.md b/README.md
index 6e10445f..d7a46322 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ Bug Fixes:
 
 * Explicitly paused Timer continues if you un-focus and focus the browser window (thanks georgiee)
 * Added TimerEvent.pendingDelete and checks in Timer.update, so that removing an event in a callback no longer throws an exception (thanks georgiee)
+* Fixed TypeScript defs on lines 1741-1748 (thanks wombatbuddy)
 
 
 You can view the Change Log for all previous versions at https://github.com/photonstorm/phaser/changelog.md
diff --git a/build/phaser.d.ts b/build/phaser.d.ts
index 03393e79..cc1d3087 100644
--- a/build/phaser.d.ts
+++ b/build/phaser.d.ts
@@ -1738,14 +1738,14 @@ declare module Phaser {
             updateMotion(body: Phaser.Physics.Arcade.Body): Phaser.Point;
             overlap(object1: any, object2: any, overlapCallback?: Function, processCallback?: Function, callbackContext?: any): boolean;
             collide(object1: any, object2: any, collideCallback?: Function, processCallback?: Function, callbackContext?: any): boolean;
-            collideHandler(object1: any, object2: any, collideCallback?: Function, processCallback?: Function, callbackContext?: any, overlapOnly: boolean): boolean;
-            collideSpriteVsSprite(sprite1: Phaser.Sprite, sprite2: Phaser.Sprite,  collideCallback?: Function, processCallback?: Function, callbackContext?: any, overlapOnly: boolean): boolean;
-            collideSpriteVsGroup(sprite1: Phaser.Sprite, group: Phaser.Group,  collideCallback?: Function, processCallback?: Function, callbackContext?: any, overlapOnly: boolean): boolean;
-            collideGroupVsSelf(group: Phaser.Group,  collideCallback?: Function, processCallback?: Function, callbackContext?: any, overlapOnly: boolean): boolean;
-            collideGroupVsGroup(group: Phaser.Group, group2: Phaser.Group,  collideCallback?: Function, processCallback?: Function, callbackContext?: any, overlapOnly: boolean): boolean;
-            collideSpriteVsTilemapLayer(sprite: Phaser.Sprite, tilemapLayer: Phaser.TilemapLayer,  collideCallback?: Function, processCallback?: Function, callbackContext?: any): boolean;
-            collideGroupVsTilemapLayer(group: Phaser.Group, tilemapLayer: Phaser.TilemapLayer,  collideCallback?: Function, processCallback?: Function, callbackContext?: any): boolean;
-            separate(body: Phaser.Physics.Arcade.Body, body2: Phaser.Physics.Arcade.Body, processCallback?: Function, callbackContext?: any, overlapOnly: boolean): boolean;
+            collideHandler(object1: any, object2: any, collideCallback: Function, processCallback: Function, callbackContext: any, overlapOnly: boolean): boolean;
+            collideSpriteVsSprite(sprite1: Phaser.Sprite, sprite2: Phaser.Sprite,  collideCallback: Function, processCallback: Function, callbackContext: any, overlapOnly: boolean): boolean;
+            collideSpriteVsGroup(sprite1: Phaser.Sprite, group: Phaser.Group,  collideCallback: Function, processCallback: Function, callbackContext: any, overlapOnly: boolean): boolean;
+            collideGroupVsSelf(group: Phaser.Group,  collideCallback: Function, processCallback: Function, callbackContext: any, overlapOnly: boolean): boolean;
+            collideGroupVsGroup(group: Phaser.Group, group2: Phaser.Group,  collideCallback: Function, processCallback: Function, callbackContext: any, overlapOnly: boolean): boolean;
+            collideSpriteVsTilemapLayer(sprite: Phaser.Sprite, tilemapLayer: Phaser.TilemapLayer,  collideCallback: Function, processCallback: Function, callbackContext: any): boolean;
+            collideGroupVsTilemapLayer(group: Phaser.Group, tilemapLayer: Phaser.TilemapLayer,  collideCallback: Function, processCallback: Function, callbackContext: any): boolean;
+            separate(body: Phaser.Physics.Arcade.Body, body2: Phaser.Physics.Arcade.Body, processCallback: Function, callbackContext: any, overlapOnly: boolean): boolean;
             intersects(a: Phaser.Physics.Arcade.Body, b: Phaser.Physics.Arcade.Body): boolean;
             tileIntersects(body: Phaser.Physics.Arcade.Body, tile: Phaser.Tile): boolean;
             separateTiles(body: Phaser.Physics.Arcade.Body, tile: <Phaser.Tile>Array): boolean;