diff --git a/Sources/Engine/Terrain/TerrainMisc.cpp b/Sources/Engine/Terrain/TerrainMisc.cpp
index 5b199d4..edb1c36 100755
--- a/Sources/Engine/Terrain/TerrainMisc.cpp
+++ b/Sources/Engine/Terrain/TerrainMisc.cpp
@@ -313,7 +313,7 @@ Rect ExtractPolygonsInBox(CTerrain *ptrTerrain, const FLOATaabbox3D &bboxExtract
 #ifdef PANDORA
   #define Isinf(a) (((*(unsigned int*)&a)&0x7fffffff)==0x7f800000)
 #else
-  #define Isinf insif
+  #define Isinf isinf
 #endif
     rc.rc_iLeft   = (Isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
     rc.rc_iTop    = (Isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
diff --git a/Sources/Engine/World/WorldCollisionGrid.cpp b/Sources/Engine/World/WorldCollisionGrid.cpp
index c977c46..4e6bdf0 100755
--- a/Sources/Engine/World/WorldCollisionGrid.cpp
+++ b/Sources/Engine/World/WorldCollisionGrid.cpp
@@ -51,7 +51,7 @@ static inline void BoxToGrid(
 #ifdef PANDORA
   #define Isinf(a) (((*(unsigned int*)&a)&0x7fffffff)==0x7f800000)
 #else
-  #define Isinf insif
+  #define Isinf isinf
 #endif
   iMinX = (Isinf(fMinX))?INDEX(GRID_MIN):Clamp(INDEX(floor(fMinX/GRID_CELLSIZE)), (INDEX)GRID_MIN, (INDEX)GRID_MAX);
   iMinZ = (Isinf(fMinZ))?INDEX(GRID_MIN):Clamp(INDEX(floor(fMinZ/GRID_CELLSIZE)), (INDEX)GRID_MIN, (INDEX)GRID_MAX);