diff --git a/src/openalea/core/formatting/util.py b/src/openalea/core/formatting/util.py
index 6179a53..137c4b3 100644
--- a/src/openalea/core/formatting/util.py
+++ b/src/openalea/core/formatting/util.py
@@ -40,10 +40,10 @@ def icon_path(filepath, default=None, paths=None, packages=None):
     if packages is None:
         packages = []
     # Search filename in all paths given by user
-    _paths = [Path(filepath)] + [Path(p) / filepath for p in paths]
+    _paths = [Path(str(filepath))] + [Path(str(p)) / filepath for p in paths]
 
     # Search icons generated by oalab
-    _paths += [Path(p) / '._icon.png' for p in paths]
+    _paths += [Path(str(p)) / '._icon.png' for p in paths]
 
     # If a path is found, try to find absolute path
     # Try to get icon path from object
diff --git a/src/openalea/core/resources/__init__.py b/src/openalea/core/resources/__init__.py
index 4df204d..38f7975 100644
--- a/src/openalea/core/resources/__init__.py
+++ b/src/openalea/core/resources/__init__.py
@@ -1,3 +1,6 @@
-import importlib_resources as resources
+try:
+    from importlib import resources
+except ImportError:
+    import importlib_resources as resources
 
 resources_dir = resources.files(__name__)