1 files changed, 1 insertions, 1 deletions

diff --git a/lib/consumer.cc b/lib/consumer.cc
index 10c2fa0..b215aa8 100644
--- a/lib/consumer.cc
+++ b/lib/consumer.cc
@@ -179,13 +179,13 @@ namespace opkele {
                 string f = (co==string::npos)?slist.substr(p):slist.substr(p,co-p);
                 kv += f;
                 kv += ':';
                 f.insert(0,"openid.");
                 kv += pin.get_param(f);
                 kv += '\n';
-                if(ext) ps[f.substr(sizeof("openid."))] = pin.get_param(f);
+                if(ext) ps[f.substr(sizeof("openid.")-1)] = pin.get_param(f);
                 if(co==string::npos)
                     break;
                 p = co+1;
             }
             secret_t secret = assoc->secret();
             unsigned int md_len = 0;