diff --git a/nicegui/element.py b/nicegui/element.py
index b65242a5f..fa059c23b 100644
--- a/nicegui/element.py
+++ b/nicegui/element.py
@@ -70,15 +70,34 @@ def __init_subclass__(cls, *,
                           exposed_libraries: List[Union[str, Path]] = [],
                           extra_libraries: List[Union[str, Path]] = [],
                           ) -> None:
-        def abs_path(file: Union[str, Path]) -> Path:
-            p = Path(file)
-            return p if p.is_absolute() else base / p
         super().__init_subclass__()
         base = Path(inspect.getfile(cls)).parent
-        cls.component = register_vue_component(abs_path(component)) if component else None
-        cls.libraries = [register_library(abs_path(library)) for library in libraries]
-        cls.extra_libraries = [register_library(abs_path(library)) for library in extra_libraries]
-        cls.exposed_libraries = [register_library(abs_path(library), expose=True) for library in exposed_libraries]
+
+        def glob_absolute_paths(file: Union[str, Path]) -> List[Path]:
+            path = Path(file)
+            if not path.is_absolute():
+                path = base / path
+            return sorted(path.parent.glob(path.name), key=lambda p: p.stem)
+
+        cls.component = None
+        if component:
+            for path in glob_absolute_paths(component):
+                cls.component = register_vue_component(path)
+
+        cls.libraries = []
+        for library in libraries:
+            for path in glob_absolute_paths(library):
+                cls.libraries.append(register_library(path))
+
+        cls.extra_libraries = []
+        for library in extra_libraries:
+            for path in glob_absolute_paths(library):
+                cls.extra_libraries.append(register_library(path))
+
+        cls.exposed_libraries = []
+        for library in exposed_libraries:
+            for path in glob_absolute_paths(library):
+                cls.exposed_libraries.append(register_library(path, expose=True))
 
     def add_slot(self, name: str, template: Optional[str] = None) -> Slot:
         """Add a slot to the element.
diff --git a/nicegui/elements/chart.py b/nicegui/elements/chart.py
index 0325c1d5a..bfb1f3a34 100644
--- a/nicegui/elements/chart.py
+++ b/nicegui/elements/chart.py
@@ -1,14 +1,12 @@
-from pathlib import Path
 from typing import Dict, List
 
 from ..element import Element
 
-base = Path(__file__).parent
-libraries = [p.relative_to(base) for p in sorted((base / 'lib' / 'highcharts').glob('*.js'), key=lambda p: p.stem)]
-modules = {p.stem: p.relative_to(base) for p in sorted((base / 'lib' / 'highcharts' / 'modules').glob('*.js'))}
 
-
-class Chart(Element, component='chart.js', libraries=libraries, extra_libraries=list(modules.values())):
+class Chart(Element,
+            component='chart.js',
+            libraries=['lib/highcharts/*.js'],
+            extra_libraries=['lib/highcharts/modules/*.js']):
 
     def __init__(self, options: Dict, *, type: str = 'chart', extras: List[str] = []) -> None:
         """Chart
diff --git a/nicegui/elements/mermaid.py b/nicegui/elements/mermaid.py
index 8806688a9..46f458eb3 100644
--- a/nicegui/elements/mermaid.py
+++ b/nicegui/elements/mermaid.py
@@ -1,14 +1,10 @@
-from pathlib import Path
-
 from .mixins.content_element import ContentElement
 
-base = Path(__file__).parent
-
 
 class Mermaid(ContentElement,
               component='mermaid.js',
               exposed_libraries=['lib/mermaid/mermaid.esm.min.mjs'],
-              extra_libraries=[p.relative_to(base) for p in (base / 'lib' / 'mermaid').glob('*.js')]):
+              extra_libraries=['lib/mermaid/*.js']):
     CONTENT_PROP = 'content'
 
     def __init__(self, content: str) -> None: