diff --git a/pym/_emerge/Package.py b/pym/_emerge/Package.py
index e19b784..f3be19b 100644
--- a/pym/_emerge/Package.py
+++ b/pym/_emerge/Package.py
@@ -652,8 +652,11 @@
 				for k, v in self.alias_mapping.items():
 					if flag in v:
 						return k
-			else:
-				return None
+
+			if self._iuse_implicit_match(flag):
+				return flag
+
+			return None
 
 	def __len__(self):
 		return 4