diff --git a/preliz/__init__.py b/preliz/__init__.py
index 31f3b280..73aa7ebe 100644
--- a/preliz/__init__.py
+++ b/preliz/__init__.py
@@ -29,8 +29,11 @@
 
 # add PreliZ's styles to matplotlib's styles
 _preliz_style_path = os_path.join(os_path.dirname(__file__), "styles")
-style.core.USER_LIBRARY_PATHS.append(_preliz_style_path)
-style.core.reload_library()
+if hasattr(style, "USER_LIBRARY_PATHS"):
+    style.USER_LIBRARY_PATHS.append(_preliz_style_path)
+else:
+    style.core.USER_LIBRARY_PATHS.append(_preliz_style_path)
+style.reload_library()
 
 # clean namespace
 del os_path, mpl_rcParams, _preliz_style_path