diff --git a/code/qcommon/q_math.c b/code/qcommon/q_math.c
index 582f7b4c..0a2fc409 100644
--- a/code/qcommon/q_math.c
+++ b/code/qcommon/q_math.c
@@ -819,11 +819,7 @@ void ProjectPointOnPlane( vec3_t dst, const vec3_t p, const vec3_t normal )
 	vec3_t n;
 	float inv_denom;
 
-	inv_denom =  DotProduct( normal, normal );
-#ifndef Q3_VM
-	assert( Q_fabs(inv_denom) != 0.0f ); // zero vectors get here
-#endif
-	inv_denom = 1.0f / inv_denom;
+	inv_denom = 1.0f / DotProduct( normal, normal );
 
 	d = DotProduct( normal, p ) * inv_denom;