diff --git a/doc/man/man3/ldap_bind.3 b/doc/man/man3/ldap_bind.3
index 86dc518822..940b2727ec 100644
--- a/doc/man/man3/ldap_bind.3
+++ b/doc/man/man3/ldap_bind.3
@@ -53,7 +53,7 @@ OpenLDAP LDAP (libldap, -lldap)
 .LP
 .BI "int ldap_sasl_interactive_bind_s(LDAP *" ld ", const char *" dn ","
 .RS
-.BI "const char *" mechs ", struct berval *" cred ","
+.BI "const char *" mechs ","
 .BI "LDAPControl *" sctrls "[], LDAPControl *" cctrls "[],"
 .BI "unsigned " flags ", LDAP_SASL_INTERACT_PROC *" interact ","
 .BI "void *" defaults ");"