diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+PyYAML
 aiosqlite
 psutil
 pyfuse3
diff --git a/swh/fuse/cli.py b/swh/fuse/cli.py
--- a/swh/fuse/cli.py
+++ b/swh/fuse/cli.py
@@ -28,9 +28,9 @@
 
 DEFAULT_CONFIG: Dict[str, Any] = {
     "cache": {
-        "metadata": {"path": CACHE_HOME_DIR / "swh/fuse/metadata.sqlite"},
-        "blob": {"path": CACHE_HOME_DIR / "swh/fuse/blob.sqlite"},
-        "history": {"path": CACHE_HOME_DIR / "swh/fuse/history.sqlite"},
+        "metadata": {"path": str(CACHE_HOME_DIR / "swh/fuse/metadata.sqlite")},
+        "blob": {"path": str(CACHE_HOME_DIR / "swh/fuse/blob.sqlite")},
+        "history": {"path": str(CACHE_HOME_DIR / "swh/fuse/history.sqlite")},
         "direntry": {"maxram": "10%"},
     },
     "web-api": {
@@ -53,7 +53,8 @@
     """Software Heritage virtual file system"""
 
     import logging
-    import pprint
+
+    import yaml
 
     from swh.core import config
 
@@ -61,7 +62,6 @@
         config_file = DEFAULT_CONFIG_PATH
 
     try:
-        logging.info("Loading configuration from: %s", config_file)
         conf = config.read_raw_config(config.config_basepath(config_file))
         if not conf:
             raise ValueError(f"Cannot parse configuration file: {config_file}")
@@ -74,11 +74,13 @@
 
         # recursive merge not done by config.read
         conf = config.merge_configs(DEFAULT_CONFIG, conf)
-    except Exception as err:
-        logging.warning("Using default configuration (cannot load custom one: %s)", err)
+    except Exception:
+        logging.warning(
+            "Using default configuration (cannot load custom one)", exc_info=True
+        )
         conf = DEFAULT_CONFIG
 
-    logging.info("Read configuration: \n%s", pprint.pformat(conf))
+    logging.debug("Read configuration: \n%s", yaml.dump(conf))
     ctx.ensure_object(dict)
     ctx.obj["config"] = conf