diff --git a/efl/eolian/__init__.pyx b/efl/eolian/__init__.pyx
index fbfb5eb..ddc11f8 100644
--- a/efl/eolian/__init__.pyx
+++ b/efl/eolian/__init__.pyx
@@ -16,9 +16,9 @@ class FunctionType(IntEnum):
 
 class ParameterDir(IntEnum):
     """Parameter Direction"""
-    IN_PARAM = EOLIAN_IN_PARAM
-    OUT_PARAM = EOLIAN_OUT_PARAM
-    INOUT_PARAM = EOLIAN_INOUT_PARAM
+    IN = EOLIAN_IN_PARAM
+    OUT = EOLIAN_OUT_PARAM
+    INOUT = EOLIAN_INOUT_PARAM
 
 class ClassType(IntEnum):
     """Class Type"""