diff --git a/fxconv/fxconv.py b/fxconv/fxconv.py
index 014a04a..5d9aa47 100644
--- a/fxconv/fxconv.py
+++ b/fxconv/fxconv.py
@@ -1178,11 +1178,7 @@ def convert(input, params, target, output=None, model=None, custom=None):
 	if output is None:
 		output = os.path.splitext(input)[0] + ".o"
 
-	if "name" in params:
-		pass
-	elif "name_regex" in params:
-		params["name"] = re.sub(*params["name_regex"], os.path.basename(input))
-	else:
+	if "name" not in params:
 		raise FxconvError(f"no name specified for conversion '{input}'")
 
 	if target["arch"] is None:
@@ -1448,7 +1444,8 @@ class Metadata:
 	def rules_for(self, path):
 		"""
 		Returns the parameters that apply to the specified path, or None if no
-		wildcard matches it.
+		wildcard matches it. The special key "name_regex" is also resolved into
+		the regular key "name".
 		"""
 
 		basename = os.path.basename(path)
@@ -1460,4 +1457,9 @@ class Metadata:
 				params.update(**p)
 				matched = True
 
-		return params if matched else None
+		if not matched:
+			return None
+
+		if "name_regex" in params and not "name" in params:
+			params["name"] = re.sub(*params["name_regex"], basename)
+		return params