diff --git a/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GlbScriptedImporter.cs b/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GlbScriptedImporter.cs
index 3c952fc04..67b9200cd 100644
--- a/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GlbScriptedImporter.cs
+++ b/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GlbScriptedImporter.cs
@@ -7,7 +7,11 @@ using UnityEditor.Experimental.AssetImporters;
 
 namespace UniGLTF
 {
-    [ScriptedImporter(1, "glb")]
+#if UNITY_2020_2_OR_NEWER
+    [ScriptedImporter(1, null, overrideExts: new[] { "glb" })]
+#else
+	[ScriptedImporter(1, new[] { "glb" })]
+#endif
     public class GlbScriptedImporter : GltfScriptedImporterBase
     {
         public override void OnImportAsset(AssetImportContext ctx)
diff --git a/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GltfScriptedImporter.cs b/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GltfScriptedImporter.cs
index 39d8914ba..16d2a3540 100644
--- a/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GltfScriptedImporter.cs
+++ b/Assets/UniGLTF/Editor/UniGLTF/ScriptedImporter/GltfScriptedImporter.cs
@@ -7,7 +7,11 @@ using UnityEditor.Experimental.AssetImporters;
 
 namespace UniGLTF
 {
-    [ScriptedImporter(1, "gltf")]
+#if UNITY_2020_2_OR_NEWER
+    [ScriptedImporter(1, null, overrideExts: new[] { "gltf" })]
+#else
+	[ScriptedImporter(1, new[] { "gltf" })]
+#endif
     public class GltfScriptedImporter : GltfScriptedImporterBase
     {
         public override void OnImportAsset(AssetImportContext ctx)