diff --git a/engine/common/bspfile.h b/engine/common/bspfile.h
index f3220a200..f1eb7bad5 100644
--- a/engine/common/bspfile.h
+++ b/engine/common/bspfile.h
@@ -504,6 +504,10 @@ typedef struct
 #define	SURF_FLOWING	0x40	// scroll towards angle
 #define	SURF_NODRAW		0x80	// don't bother referencing the texture
 
+#define	SURF_NODRAW		0x80	// don't bother referencing the texture
+
+#define Q3SURF_LADDER	0x8		//wee
+
 // content masks
 #define	MASK_ALL				(-1)
 #define	MASK_SOLID				(Q2CONTENTS_SOLID|Q2CONTENTS_WINDOW)
diff --git a/engine/common/pmove.c b/engine/common/pmove.c
index cac8ccfae..dd8439f79 100644
--- a/engine/common/pmove.c
+++ b/engine/common/pmove.c
@@ -726,6 +726,25 @@ void PM_CategorizePosition (void)
 
 	//are we on a ladder?
 #ifdef Q2BSPS
+	if (pmove.physents[0].model->fromgame == fg_quake3)
+	{
+		trace_t t;
+		vec3_t flatforward, fwd1;
+
+		flatforward[0] = forward[0];
+		flatforward[1] = forward[1];
+		flatforward[2] = 0;
+		VectorNormalize (flatforward);
+
+		VectorMA (pmove.origin, 24, flatforward, fwd1);
+
+		t = CM_BoxTrace(pmove.physents[0].model, pmove.origin, fwd1, player_mins, player_maxs, MASK_PLAYERSOLID);
+		if (t.surface->flags & Q3SURF_LADDER)
+		{
+			pmove.onladder = true;
+			pmove.onground = false;	// too steep
+		}
+	}
 	if (cont & FTECONTENTS_LADDER && pmove.physents[0].model->fromgame == fg_quake2)
 	{
 		trace_t t;