1 files changed, 1 insertions, 1 deletions

diff --git a/lib/message.cc b/lib/message.cc
index 524946a..c1f8088 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -155,13 +155,13 @@ namespace opkele {
             return pfx;
         if(has_ns(uri))
             throw bad_input(OPKELE_CP_ "OpenID message already contains namespace");
         string rv = pfx;
         if(has_field("ns."+rv)) {
             string::reference c=rv[rv.length()];
-            for(c='a';c<='z' && has_field("ns."+rv);++c);
+            for(c='a';c<='z' && has_field("ns."+rv);++c) ;
             if(c=='z')
                 throw exception(OPKELE_CP_ "Failed to allocate namespace");
         }
         set_field("ns."+rv,uri);
         return rv;
     }