diff --git a/game/client/portal/portalrenderable_flatbasic.cpp b/game/client/portal/portalrenderable_flatbasic.cpp
index 35bfef80..2406d533 100644
--- a/game/client/portal/portalrenderable_flatbasic.cpp
+++ b/game/client/portal/portalrenderable_flatbasic.cpp
@@ -373,18 +373,22 @@ bool CPortalRenderable_FlatBasic::CalcFrustumThroughPortal( const Vector &ptCurr
 			if( i2 < i3 )
 			{
 				VPlane *v2 = &Planes[iMinSideFirstPoint];
-				memcpy( v2, v2 + 1, sizeof( VPlane ) * (iVertCount - iMinSideFirstPoint) );
+
+				for( int i = 0; i < (iVertCount - iMinSideFirstPoint); i++ )
+					v2[i] = v2[i+1];
 			}
 
 			if( i3 < i4 ) //not the last point in the array
 			{
 				int iElementShift = (iOldVertCount - i4);
+				float *l3 = &fLineLengthSqr[i3];
 
 				//eliminate p3, we merged p2+p3 and already stored the result in p2
-				memcpy( p3, p3 + 1, sizeof( Vector ) * iElementShift );
-
-				float *l3 = &fLineLengthSqr[i3];
-				memcpy( l3, l3 + 1, sizeof( float ) * iElementShift );
+				for( int i = 0; i < iElementShift; i++ )
+				{
+					p3[i] = p3[i+1];
+					l3[i] = l3[i+1];
+				}
 			}
 		}
 
diff --git a/game/shared/portal/StaticCollisionPolyhedronCache.cpp b/game/shared/portal/StaticCollisionPolyhedronCache.cpp
index 7f910608..c9f55e27 100644
--- a/game/shared/portal/StaticCollisionPolyhedronCache.cpp
+++ b/game/shared/portal/StaticCollisionPolyhedronCache.cpp
@@ -265,7 +265,7 @@ void CStaticCollisionPolyhedronCache::Update( void )
 				m_BrushPolyhedrons[i] = pDest;
 				pFinalDest += memRequired;
 
-				int memoryOffset = ((uint8 *)pDest) - ((uint8 *)pSource);
+				intp memoryOffset = ((uint8 *)pDest) - ((uint8 *)pSource);
 
 				memcpy( pDest, pSource, memRequired );
 				//move all the pointers to their new location.
@@ -425,7 +425,7 @@ void CStaticCollisionPolyhedronCache::Update( void )
 					m_StaticPropPolyhedrons[i] = pDest;
 					pFinalDest += memRequired;
 
-					int memoryOffset = ((uint8 *)pDest) - ((uint8 *)pSource);
+					intp memoryOffset = ((uint8 *)pDest) - ((uint8 *)pSource);
 
 					memcpy( pDest, pSource, memRequired );
 					//move all the pointers to their new location.