diff --git a/engine/client/r_part.c b/engine/client/r_part.c
index 8175fdf02..5a52ccbbc 100644
--- a/engine/client/r_part.c
+++ b/engine/client/r_part.c
@@ -2495,7 +2495,7 @@ int P_ParticleTrail (vec3_t startpos, vec3_t end, int type, trailstate_t **tsk)
 	float stop;
 	float tdegree = 2*M_PI/256; /* MSVC whine */
 
-	if (typenum < 0 || typenum >= numparticletypes)
+	if (type < 0 || type >= numparticletypes)
 		return 1;	//bad value
 
 	if (!ptype->loaded)