diff --git a/src/pkg-psyc.h b/src/pkg-psyc.h
index b32d25f..b3d65fb 100644
--- a/src/pkg-psyc.h
+++ b/src/pkg-psyc.h
@@ -11,12 +11,10 @@
 # include "array.h"
 # include "xalloc.h"
 
-enum {
-    PSYC_ROUTING = 0,
-    PSYC_ENTITY  = 1,
-    PSYC_METHOD  = 2,
-    PSYC_BODY    = 3,
-};
+# define PSYC_ROUTING	0
+# define PSYC_ENTITY	1
+# define PSYC_METHOD	2
+# define PSYC_BODY	3
 
 typedef struct psyc_state_s {
 	psycParseState *parser;