diff --git a/source/platform/pclam.cpp b/source/platform/pclam.cpp
index ac1e9cd09..4d05d35fc 100644
--- a/source/platform/pclam.cpp
+++ b/source/platform/pclam.cpp
@@ -24,6 +24,18 @@
 #endif
 
 
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcClamPlatform::postInit()
+{
+	sBBox boundingBox = m_modelGfx->GetBBox();
+	setCollisionSize( 80, 30 );
+	setCollisionCentreOffset( 0, -15 );
+
+	calculateNonRotatedCollisionData();
+	setCollisionAngle( m_tiltAngle >> 8 );
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 void CNpcClamPlatform::render()
diff --git a/source/platform/pclam.h b/source/platform/pclam.h
index 8bca0cf7d..367a1958b 100644
--- a/source/platform/pclam.h
+++ b/source/platform/pclam.h
@@ -21,6 +21,7 @@
 class CNpcClamPlatform : public CNpcPlatform
 {
 public:
+	virtual void		postInit();
 	virtual void		render();
 	virtual	CRECT const	*getThinkBBox()									{return( CThing::getThinkBBox() );}
 	//void				setBBox();