diff --git a/gpgme/ChangeLog b/gpgme/ChangeLog
index a97dc38d..0bb086a0 100644
--- a/gpgme/ChangeLog
+++ b/gpgme/ChangeLog
@@ -1,5 +1,8 @@
 2004-04-29  Marcus Brinkmann  <marcus@g10code.de>
 
+	* gpgme.h (struct _gpgme_signature): Change member WRONG_KEY_USAGE
+	to unsigned int.  Same for member _unused.
+
 	* keylist.c (set_mainkey_trust_info): Rewritten.
 	(set_subkey_capability): Handle 'd' (disabled).
 	(set_mainkey_capability): Rewritten.
diff --git a/gpgme/gpgme.h b/gpgme/gpgme.h
index 5fd6858a..061957d2 100644
--- a/gpgme/gpgme.h
+++ b/gpgme/gpgme.h
@@ -1185,7 +1185,7 @@ struct _gpgme_signature
   /* Signature exipration time or 0.  */
   unsigned long exp_timestamp;
 
-  int wrong_key_usage : 1;
+  unsigned int wrong_key_usage : 1;
 
   /* Internal to GPGME, do not use.  */
   int _unused : 31;