diff --git a/kvmd/apps/__init__.py b/kvmd/apps/__init__.py
index 31847bc3..1a8acad9 100644
--- a/kvmd/apps/__init__.py
+++ b/kvmd/apps/__init__.py
@@ -179,7 +179,7 @@ def _init_config(config_path: str, override_options: list[str], **load_flags: bo
     scheme = _get_config_scheme()
     try:
         yaml_merge(raw_config, (raw_config.pop("override", {}) or {}))
-        yaml_merge(raw_config, build_raw_from_options(override_options), "raw command line options")
+        yaml_merge(raw_config, build_raw_from_options(override_options), "raw CLI options")
         _patch_raw(raw_config)
         config = make_config(raw_config, scheme)
 
diff --git a/kvmd/yamlconf/merger.py b/kvmd/yamlconf/merger.py
index 51a168c8..a11ff3aa 100644
--- a/kvmd/yamlconf/merger.py
+++ b/kvmd/yamlconf/merger.py
@@ -19,10 +19,25 @@
 #                                                                            #
 # ========================================================================== #
 
-from typing import Optional
-
 
 # =====
+def yaml_merge(dest: dict, src: dict, src_name: str="") -> None:
+    """ Merges the source dictionary into the destination dictionary. """
+
+    # Checking if destination is None
+    if dest is None:
+        # We can't merge into a None
+        raise ValueError(f"Could not merge {src_name or 'config'} into None. The destination cannot be None")
+
+    # Checking if source is None or empty
+    if not src:
+        # If src is None or empty, there's nothing to merge
+        return
+
+    _merge(dest, src)
+
+
+# ======
 def _merge(dest: dict, src: dict) -> None:
     for key in src:
         if key in dest:
@@ -30,19 +45,3 @@ def _merge(dest: dict, src: dict) -> None:
                 _merge(dest[key], src[key])
                 continue
         dest[key] = src[key]
-
-
-def yaml_merge(dest: dict, src: dict, source_name: Optional[str]=None) -> None:
-    """ Merges the source dictionary into the destination dictionary. """
-
-    # Checking if destination is None
-    if dest is None:
-        # We can't merge into a None
-        raise ValueError(f"Could not merge {source_name} into None. The destination cannot be None")
-
-    # Checking if source is None or empty
-    if src is None:
-        # If src is None or empty, there's nothing to merge
-        return
-
-    _merge(dest, src)
diff --git a/testenv/tests/yamlconf/test_merger.py b/testenv/tests/yamlconf/test_merger.py
index 661a187e..21180605 100644
--- a/testenv/tests/yamlconf/test_merger.py
+++ b/testenv/tests/yamlconf/test_merger.py
@@ -21,6 +21,7 @@
 
 
 import pytest
+
 from kvmd.yamlconf import merger
 
 
@@ -108,7 +109,7 @@ def test_non_dict_values_in_source() -> None:
 
 
 def test_empty_base() -> None:
-    base = {}
+    base: dict = {}
     incoming = {"key1": "value1"}
     merger.yaml_merge(base, incoming)
     assert base == {"key1": "value1"}