diff --git a/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfLoader.java b/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfLoader.java
index 4106ddc736..e93bd40d71 100644
--- a/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfLoader.java
+++ b/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfLoader.java
@@ -619,14 +619,14 @@ protected byte[] getBytes(int bufferIndex, String uri, Integer bufferLength) thr
     public Material getMaterial(int materialIndex) throws IOException {
 
         // Get from cache
-        Material material = fetchFromCache("Material", materialIndex, Material.class);
+        Material material = fetchFromCache("materials", materialIndex, Material.class);
         if (material != null) {
             return material;
         }
 
         material = readMaterial(materialIndex);
 
-        addToCache("Material", materialIndex, material, materials.size());
+        addToCache("materials", materialIndex, material, materials.size());
 
         return material;
     }