diff --git a/src/ldapauth.c b/src/ldapauth.c
index 0365cf1..6bdc6cc 100644
--- a/src/ldapauth.c
+++ b/src/ldapauth.c
@@ -149,7 +149,7 @@ oal_check_cred(oal_config_t * const config,
 
   lrc = ldap_search_s(sld, config->basedn, LDAP_SCOPE_SUBTREE, config->userfilter, searchattr, 1, &res);
   if (lrc != LDAP_SUCCESS) {
-    snprintf(config->error, sizeof(config->error), "ldap search failed: %s", ldap_err2string(rc));
+    snprintf(config->error, sizeof(config->error), "ldap search failed: %s", ldap_err2string(lrc));
     goto cleanup; /* TODO */
   }