diff --git a/qglview/shaders/ssr.frag b/qglview/shaders/ssr.frag
index 04f1786..2668963 100644
--- a/qglview/shaders/ssr.frag
+++ b/qglview/shaders/ssr.frag
@@ -25,7 +25,8 @@ void main(void) {
 	vec4 tpos;
 
 	vec3 dc = v0.rgb, n = v1.xyz;
-	vec3 vd = -normalize(vec3(-view_dir.xy, view_dir.z));
+	//vec3 vd = -normalize(vec3(-view_dir.xy, view_dir.z));
+	vec3 vd = normalize(view_dir);
 	vec3 rn = reflect(vd, n);
 	//rn.z += 1.;
 	float coeff = clamp(1. - (dot(vec3(0,0,1), n)), 0, 1);