diff --git a/gpgme/ChangeLog b/gpgme/ChangeLog
index 9979a330..9172ffed 100644
--- a/gpgme/ChangeLog
+++ b/gpgme/ChangeLog
@@ -1,3 +1,8 @@
+2002-03-03  Marcus Brinkmann  <marcus@g10code.de>
+
+	* engine-gpgsm.c (_gpgme_gpgsm_op_keylist_ext) [!ENABLE_GPGSM]:
+	Add stub function.
+
 2002-02-28  Werner Koch  <wk@gnupg.org>
 
 	* key.h (subkey_s): New member expires_at.
diff --git a/gpgme/engine-gpgsm.c b/gpgme/engine-gpgsm.c
index 32ee3a07..067c08c7 100644
--- a/gpgme/engine-gpgsm.c
+++ b/gpgme/engine-gpgsm.c
@@ -1089,6 +1089,13 @@ _gpgme_gpgsm_op_keylist (GpgsmObject gpgsm, const char *pattern,
 }
 
 
+GpgmeError
+_gpgme_gpgsm_op_keylist_ext (GpgsmObject gpgsm, const char *pattern[],
+			     int secret_only, int reserved, int keylist_mode)
+{
+  return mk_error (Invalid_Engine);
+}
+
 GpgmeError
 _gpgme_gpgsm_op_sign (GpgsmObject gpgsm, GpgmeData in, GpgmeData out,
 		      GpgmeSigMode mode, int use_armor,