diff --git a/r5dev/thirdparty/recast/Detour/Source/DetourCommon.cpp b/r5dev/thirdparty/recast/Detour/Source/DetourCommon.cpp
index c12c3b68..4d5f89ee 100644
--- a/r5dev/thirdparty/recast/Detour/Source/DetourCommon.cpp
+++ b/r5dev/thirdparty/recast/Detour/Source/DetourCommon.cpp
@@ -368,7 +368,7 @@ void dtRandomPointInConvexPoly(const float* pts, const int npts, float* areas,
 	out[2] = a*pa[2] + b*pb[2] + c*pc[2];
 }
 
-inline float vperpXZ(const float* a, const float* b) { return a[0]*b[2] - a[2]*b[0]; }
+inline float vperpXY(const float* a, const float* b) { return a[0]*b[1] - a[1]*b[0]; }
 
 bool dtIntersectSegSeg2D(const float* ap, const float* aq,
 						 const float* bp, const float* bq,
@@ -378,10 +378,10 @@ bool dtIntersectSegSeg2D(const float* ap, const float* aq,
 	dtVsub(u,aq,ap);
 	dtVsub(v,bq,bp);
 	dtVsub(w,ap,bp);
-	float d = vperpXZ(u,v);
+	float d = vperpXY(u,v);
 	if (fabsf(d) < 1e-6f) return false;
-	s = vperpXZ(v,w) / d;
-	t = vperpXZ(u,w) / d;
+	s = vperpXY(v,w) / d;
+	t = vperpXY(u,w) / d;
 	return true;
 }