diff --git a/g10/ChangeLog b/g10/ChangeLog
index 286ae8423..1747227b4 100644
--- a/g10/ChangeLog
+++ b/g10/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-30  David Shaw  <dshaw@jabberwocky.com>
+
+	* trustdb.c (check_regexp): Modern regexps require REG_EXTENDED.
+
 2002-10-29  David Shaw  <dshaw@jabberwocky.com>
 
 	* packet.h, trustdb.h, trustdb.c (trust_string): New.  Return a
diff --git a/g10/trustdb.c b/g10/trustdb.c
index 1a8e74df1..651baa3ed 100644
--- a/g10/trustdb.c
+++ b/g10/trustdb.c
@@ -1335,7 +1335,7 @@ check_regexp(const char *exp,const char *string)
   int ret;
   regex_t pat;
 
-  if(regcomp(&pat,exp,REG_ICASE|REG_NOSUB)!=0)
+  if(regcomp(&pat,exp,REG_ICASE|REG_NOSUB|REG_EXTENDED)!=0)
     return 0;
 
   ret=regexec(&pat,string,0,NULL,0);