diff --git a/assets/fs/shaders/obj.v.glsl b/assets/fs/shaders/obj.v.glsl
index f6b83be..04fc6ce 100644
--- a/assets/fs/shaders/obj.v.glsl
+++ b/assets/fs/shaders/obj.v.glsl
@@ -12,5 +12,5 @@ void main(void)
 {
     gl_Position = projection * modelview * vec4(pos, 1);
     pos_i = gl_Position.xyz;
-    normal_i = modelview * vec4(normal, 0);
+    normal_i = (modelview * vec4(normal, 0)).xyz;
 }
diff --git a/assets/fs/shaders/obj_tex.v.glsl b/assets/fs/shaders/obj_tex.v.glsl
index 4c0b525..9780d82 100644
--- a/assets/fs/shaders/obj_tex.v.glsl
+++ b/assets/fs/shaders/obj_tex.v.glsl
@@ -15,5 +15,5 @@ void main(void)
     gl_Position = projection * modelview * vec4(pos, 1);
     pos_i = gl_Position.xyz;
     tex_coord_i = tex_coord;
-    normal_i = modelview * vec4(normal, 0);
+    normal_i = (modelview * vec4(normal, 0)).xyz;
 }