diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 25be988..6cce2ef 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -494,11 +494,16 @@
         for( p = buf + 2; p < end; p += 2 ) {
             if( *md_cur == (int) ssl_md_alg_from_hash( p[0] ) ) {
                 ssl->handshake->sig_alg = p[0];
-                break;
+                goto have_sig_alg;
             }
         }
     }
 
+    /* Some key echanges do not need signatures at all */
+    SSL_DEBUG_MSG( 3, ( "no signature_algorithm in common" ) );
+    return( 0 );
+
+have_sig_alg:
     SSL_DEBUG_MSG( 3, ( "client hello v3, signature_algorithm ext: %d",
                    ssl->handshake->sig_alg ) );