diff --git a/src/eapol.h b/src/eapol.h
index 97b6db0b..9b12eb79 100644
--- a/src/eapol.h
+++ b/src/eapol.h
@@ -27,7 +27,7 @@
 
 enum eapol_protocol_version {
 	EAPOL_PROTOCOL_VERSION_2001	= 1,
-	EAPOL_PTOTOCOL_VERSION_2004	= 2,
+	EAPOL_PROTOCOL_VERSION_2004	= 2,
 };
 
 /*