diff --git a/games/devtest/mods/gltf/init.lua b/games/devtest/mods/gltf/init.lua
index fa5ed68b0..47fd3392a 100644
--- a/games/devtest/mods/gltf/init.lua
+++ b/games/devtest/mods/gltf/init.lua
@@ -25,7 +25,7 @@ register_entity("spider", {"gltf_spider.png"})
 minetest.register_entity("gltf:spider_animated", {
 	initial_properties = {
 		visual = "mesh",
-		mesh = "spider_animated.gltf",
+		mesh = "gltf_spider_animated.gltf",
 		textures = {"gltf_spider.png"},
 	},
 	on_activate = function(self)
diff --git a/games/devtest/mods/gltf/models/simple_skin.gltf b/games/devtest/mods/gltf/models/gltf_simple_skin.gltf
similarity index 100%
rename from games/devtest/mods/gltf/models/simple_skin.gltf
rename to games/devtest/mods/gltf/models/gltf_simple_skin.gltf
diff --git a/games/devtest/mods/gltf/models/spider_animated.gltf b/games/devtest/mods/gltf/models/gltf_spider_animated.gltf
similarity index 100%
rename from games/devtest/mods/gltf/models/spider_animated.gltf
rename to games/devtest/mods/gltf/models/gltf_spider_animated.gltf
diff --git a/src/unittest/test_irr_gltf_mesh_loader.cpp b/src/unittest/test_irr_gltf_mesh_loader.cpp
index 596dcac02..62f5f8dc5 100644
--- a/src/unittest/test_irr_gltf_mesh_loader.cpp
+++ b/src/unittest/test_irr_gltf_mesh_loader.cpp
@@ -370,7 +370,7 @@ SECTION("simple sparse accessor")
 SECTION("simple skin")
 {
 	using CSkinnedMesh = irr::scene::CSkinnedMesh;
-	const auto mesh = loadMesh(model_path + "simple_skin.gltf");
+	const auto mesh = loadMesh(model_stem + "simple_skin.gltf");
 	REQUIRE(mesh != nullptr);
 	auto csm = dynamic_cast<const CSkinnedMesh*>(mesh);
 	const auto joints = csm->getAllJoints();