diff --git a/include/proto/h1.h b/include/proto/h1.h
index 51e8834..4914d51 100644
--- a/include/proto/h1.h
+++ b/include/proto/h1.h
@@ -121,7 +121,7 @@
 }
 
 /* for debugging, reports the HTTP/1 message state name */
-static inline const char *h1m_state_str(enum h1_state msg_state)
+static inline const char *h1m_state_str(enum h1m_state msg_state)
 {
 	switch (msg_state) {
 	case H1_MSG_RQBEFORE:    return "MSG_RQBEFORE";