diff --git a/source/platform/pdual.cpp b/source/platform/pdual.cpp
index c04063d47..f76ecb229 100644
--- a/source/platform/pdual.cpp
+++ b/source/platform/pdual.cpp
@@ -185,6 +185,7 @@ void CNpcDualPlatform::processMovement( int _frames )
 		slaveMove.vy = -extensionChange;
 
 		m_otherPlatform->setMovement( slaveMove );
+		m_otherPlatform->think(_frames);
 		m_otherPlatform->updateCollisionArea();
 	}
 }
diff --git a/source/platform/platform.cpp b/source/platform/platform.cpp
index 2c335b280..d49b34a46 100644
--- a/source/platform/platform.cpp
+++ b/source/platform/platform.cpp
@@ -477,7 +477,7 @@ void CNpcPlatform::reinit()
 void CNpcPlatform::postInit()
 {
 	sBBox boundingBox = m_modelGfx->GetBBox();
-	setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), ( boundingBox.YMax - boundingBox.YMin ) );
+	setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), 50 + ( boundingBox.YMax - boundingBox.YMin ) );
 	setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, boundingBox.YMin );
 
 	if ( m_type == NPC_LINEAR_PLATFORM )
@@ -698,7 +698,7 @@ void CNpcPlatform::calculateBoundingBoxSize()
 	x2=+halfLength*mcos(angle&4095)>>12;
 	y2=+halfLength*msin(angle&4095)>>12;
 
-	setCollisionSize(abs(x2-x1),abs(y2-y1)+PLATFORMCOLLISIONHEIGHT);
+	setCollisionSize(abs(x2-x1),50 + abs(y2-y1)+PLATFORMCOLLISIONHEIGHT);
 
 	//sBBox boundingBox = m_modelGfx->GetBBox();
 	//setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), ( boundingBox.YMax - boundingBox.YMin ) );
diff --git a/source/platform/praft.cpp b/source/platform/praft.cpp
index ee048d4d4..73fc52f21 100644
--- a/source/platform/praft.cpp
+++ b/source/platform/praft.cpp
@@ -36,7 +36,7 @@ void CNpcRaftPlatform::postInit()
 	m_isSinking = false;
 
 	sBBox boundingBox = m_modelGfx->GetBBox();
-	setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), ( boundingBox.YMax - boundingBox.YMin ) );
+	setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), 50 + ( boundingBox.YMax - boundingBox.YMin ) );
 	setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, ( ( boundingBox.YMax + boundingBox.YMin ) >> 1 ) - 16 );
 }
 
diff --git a/source/platform/psbarrel.cpp b/source/platform/psbarrel.cpp
index 17d48524a..22abc2c8a 100644
--- a/source/platform/psbarrel.cpp
+++ b/source/platform/psbarrel.cpp
@@ -35,7 +35,7 @@ void CNpcSteerableBarrelPlatform::postInit()
 	CNpcPlatform::postInit();
 
 	sBBox boundingBox = m_modelGfx->GetBBox();
-	setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), ( boundingBox.YMax - boundingBox.YMin ) );
+	setCollisionSize( ( boundingBox.XMax - boundingBox.XMin ), 50 + ( boundingBox.YMax - boundingBox.YMin ) );
 	setCollisionCentreOffset( ( boundingBox.XMax + boundingBox.XMin ) >> 1, ( ( boundingBox.YMax + boundingBox.YMin ) >> 1 ) - 32 );
 }