diff --git a/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp b/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp
index 070226f98..8aacacc42 100644
--- a/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp
+++ b/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp
@@ -109,7 +109,7 @@ inline bool IsAlmostZero(const btVector3& v)
 #define TEST_INTERNAL_OBJECTS 1
 #ifdef TEST_INTERNAL_OBJECTS
 
-__forceinline void BoxSupport(const btScalar extents[3], const btScalar sv[3], btScalar p[3])
+inline void BoxSupport(const btScalar extents[3], const btScalar sv[3], btScalar p[3])
 {
 	// This version is ~11.000 cycles (4%) faster overall in one of the tests.
 //	IR(p[0]) = IR(extents[0])|(IR(sv[0])&SIGN_BITMASK);
@@ -425,4 +425,4 @@ void	btPolyhedralContactClipping::clipHullAgainstHull(const btVector3& separatin
 
 	clipFaceAgainstHull(separatingNormal, hullA, transA,worldVertsB1, minDist, maxDist,resultOut);
 
-}
\ No newline at end of file
+}