diff --git a/lib/bcoin/http.js b/lib/bcoin/http.js
index f690725e..01a50113 100644
--- a/lib/bcoin/http.js
+++ b/lib/bcoin/http.js
@@ -256,34 +256,35 @@ HTTPServer.prototype._initRouter = function _initRouter() {
         return done(new Error('No routes found.'));
 
       (function next() {
+        var route, path, callback, compiled, matched;
+
+        if (i === routes.length)
+          return done(new Error('Route not found.'));
+
+        route = routes[i++];
+        path = route.path;
+        callback = route.callback;
+
+        if (!route.regex) {
+          compiled = compilePath(path);
+          route.regex = compiled.regex;
+          route.map = compiled.map;
+        }
+
+        matched = route.regex.exec(req.pathname);
+
+        if (!matched)
+          return next();
+
+        req.params = {};
+        matched.slice(1).forEach(function(item, i) {
+          if (route.map[i])
+            req.params[route.map[i]] = item;
+          req.params[i] = item;
+        });
+
+        // Avoid stack overflows
         utils.nextTick(function() {
-          var route, path, callback, compiled, matched;
-
-          if (i === routes.length)
-            return done(new Error('Route not found.'));
-
-          route = routes[i++];
-          path = route.path;
-          callback = route.callback;
-
-          if (!route.regex) {
-            compiled = compilePath(path);
-            route.regex = compiled.regex;
-            route.map = compiled.map;
-          }
-
-          matched = route.regex.exec(req.pathname);
-
-          if (!matched)
-            return next();
-
-          req.params = {};
-          matched.slice(1).forEach(function(item, i) {
-            if (route.map[i])
-              req.params[route.map[i]] = item;
-            req.params[i] = item;
-          });
-
           try {
             callback(req, res, next, _send);
           } catch (e) {
diff --git a/lib/bcoin/utils.js b/lib/bcoin/utils.js
index d750b306..cdbf3207 100644
--- a/lib/bcoin/utils.js
+++ b/lib/bcoin/utils.js
@@ -1421,7 +1421,11 @@ utils.ccmp = function(a, b) {
   var res = 0;
   var i;
 
-  assert(a.length === b.length);
+  assert(Buffer.isBuffer(a));
+  assert(Buffer.isBuffer(b));
+
+  if (a.length !== b.length)
+    return false;
 
   for (i = 0; i < a.length; i++)
     res |= a[i] ^ b[i];