diff --git a/engines/grim/gfx_opengl_shaders.cpp b/engines/grim/gfx_opengl_shaders.cpp
index c1294e5e4d6..6ae888efc5c 100644
--- a/engines/grim/gfx_opengl_shaders.cpp
+++ b/engines/grim/gfx_opengl_shaders.cpp
@@ -779,10 +779,8 @@ void GfxOpenGLS::startActorDraw(const Actor *actor) {
 			uniform = Common::String::format("lights[%u]._color", i);
 			_actorProgram->setUniform(uniform.c_str(), l._color);
 
-			if (g_grim->getGameType() == GType_MONKEY4) {
-				uniform = Common::String::format("lights[%u]._params", i);
-				_actorProgram->setUniform(uniform.c_str(), l._params);
-			}
+			uniform = Common::String::format("lights[%u]._params", i);
+			_actorProgram->setUniform(uniform.c_str(), l._params);
 		}
 	}
 }
diff --git a/engines/grim/shaders/grim_actor.vertex b/engines/grim/shaders/grim_actor.vertex
index eb211d5027a..b314d5e10cd 100644
--- a/engines/grim/shaders/grim_actor.vertex
+++ b/engines/grim/shaders/grim_actor.vertex
@@ -17,6 +17,7 @@ struct Light {
 	vec4 _position;
 	vec4 _direction;
 	vec4 _color;
+	vec4 _params;
 };
 const int maxLights = 8;
 uniform Light lights[maxLights];