diff --git a/archivebox/pkgs/abx-plugin-readwise/abx_plugin_readwise.py b/archivebox/pkgs/abx-plugin-readwise/abx_plugin_readwise.py
index 556ee297..b3a33dd0 100644
--- a/archivebox/pkgs/abx-plugin-readwise/abx_plugin_readwise.py
+++ b/archivebox/pkgs/abx-plugin-readwise/abx_plugin_readwise.py
@@ -15,11 +15,10 @@ from pydantic import Field
 
 from abx_spec_config.base_configset import BaseConfigSet
 
-SOURCES_DIR = abx.pm.hook.get_CONFIG().SOURCES_DIR
-
+from archivebox.config import CONSTANTS
 
 class ReadwiseConfig(BaseConfigSet):
-    READWISE_DB_PATH: Path                  = Field(default=SOURCES_DIR / "readwise_reader_api.db")
+    READWISE_DB_PATH: Path                  = Field(default=CONSTANTS.SOURCES_DIR / "readwise_reader_api.db")
     READWISE_READER_TOKENS: Dict[str, str]  = Field(default=lambda: {})   # {<username>: <access_token>, ...}
 
 
diff --git a/archivebox/pkgs/abx-spec-config/abx_spec_config/__init__.py b/archivebox/pkgs/abx-spec-config/abx_spec_config/__init__.py
index f55e7f53..75158450 100644
--- a/archivebox/pkgs/abx-spec-config/abx_spec_config/__init__.py
+++ b/archivebox/pkgs/abx-spec-config/abx_spec_config/__init__.py
@@ -33,7 +33,7 @@ class ConfigPluginSpec:
     @abx.hookspec
     @abx.hookimpl
     def get_CONFIG() -> dict[abx.PluginId, 'BaseConfigSet | ConstantsDict']:
-        from archivebox import CONSTANTS
+        from archivebox.config import CONSTANTS
         """Get the config for a single plugin -> {plugin_id: PluginConfigSet()}"""
         return {
             'CONSTANTS': CONSTANTS,