diff --git a/src/LinearMath/btConvexHullComputer.cpp b/src/LinearMath/btConvexHullComputer.cpp
index fe1981a9a..12125fd2d 100644
--- a/src/LinearMath/btConvexHullComputer.cpp
+++ b/src/LinearMath/btConvexHullComputer.cpp
@@ -105,7 +105,7 @@ public:
 
 		Point64 cross(const Point32& b) const
 		{
-			return Point64(y * b.z - z * b.y, z * b.x - x * b.z, x * b.y - y * b.x);
+			return Point64(((int64_t)y) * b.z - ((int64_t)z) * b.y, ((int64_t)z) * b.x - ((int64_t)x) * b.z, ((int64_t)x) * b.y - ((int64_t)y) * b.x);
 		}
 
 		Point64 cross(const Point64& b) const
@@ -115,7 +115,7 @@ public:
 
 		int64_t dot(const Point32& b) const
 		{
-			return x * b.x + y * b.y + z * b.z;
+			return ((int64_t)x) * b.x + ((int64_t)y) * b.y + ((int64_t)z) * b.z;
 		}
 
 		int64_t dot(const Point64& b) const