diff --git a/source/triggers/tgbowl.cpp b/source/triggers/tgbowl.cpp
index 6ac12b991..520d4d7f7 100644
--- a/source/triggers/tgbowl.cpp
+++ b/source/triggers/tgbowl.cpp
@@ -68,5 +68,20 @@ void	CGaryBowlTrigger::collidedWith(CThing *_thisThing)
 	}
 }
 
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+const CRECT *CGaryBowlTrigger::getThinkBBox()
+{
+	CRECT objThinkBox = getCollisionArea();
+
+	sBBox &thinkBBox = CThingManager::getThinkBBox();
+	objThinkBox.x1 = thinkBBox.XMin;
+	objThinkBox.x2 = thinkBBox.XMax;
+	objThinkBox.y1 = thinkBBox.YMin;
+	objThinkBox.y2 = thinkBBox.YMax;
+
+	return &objThinkBox;
+}
+
 /*===========================================================================
 end */
diff --git a/source/triggers/tgbowl.h b/source/triggers/tgbowl.h
index fd9ac992f..146483158 100644
--- a/source/triggers/tgbowl.h
+++ b/source/triggers/tgbowl.h
@@ -36,6 +36,8 @@
 
 class CGaryBowlTrigger : public CTrigger
 {
+public:
+	virtual	CRECT const		*getThinkBBox();
 protected:
 	virtual void		collidedWith(CThing *_thisThing);
 };