diff --git a/src/modules/uri_db/checks.h b/src/modules/uri_db/checks.h
index 959dbbbfb3e..5eb504a1a07 100644
--- a/src/modules/uri_db/checks.h
+++ b/src/modules/uri_db/checks.h
@@ -63,7 +63,7 @@ int uridb_db_ver(const str* db_url);
 int ki_check_to(struct sip_msg* _m);
 int ki_check_from(struct sip_msg* _m);
 int ki_check_uri(struct sip_msg* msg, str *suri);
-int ki_check_uri_realm(struct sip_msg* msg, str *suri, str *susername, str *srelam);
+int ki_check_uri_realm(struct sip_msg* msg, str *suri, str *susername, str *srealm);
 int ki_does_uri_exist(struct sip_msg* _msg);
 
 #endif /* CHECKS_H */