diff --git a/data/shaders/instanced_objectref_pass2.frag b/data/shaders/instanced_objectref_pass2.frag
index 4d3aae883..3363f674f 100644
--- a/data/shaders/instanced_objectref_pass2.frag
+++ b/data/shaders/instanced_objectref_pass2.frag
@@ -29,6 +29,7 @@ void main(void)
 #else
     vec4 col = texture(Albedo, uv);
     float specmap = texture(SpecMap, uv).g;
+    float emitmap = texture(SpecMap, uv).b;
     float mask = texture(colorization_mask, uv).a;
 #endif
     col.xyz *= pow(color.xyz, vec3(2.2));
@@ -43,5 +44,5 @@ void main(void)
         col = vec4(new_color.r, new_color.g, new_color.b, col.a);
     }
 
-    FragColor = vec4(getLightFactor(col.xyz, vec3(1.), specmap, 0.), 1.);
+    FragColor = vec4(getLightFactor(col.xyz, vec3(1.), specmap, emitmap), 1.);
 }