diff --git a/wsme/root.py b/wsme/root.py
index b0d9d2f..91a0106 100644
--- a/wsme/root.py
+++ b/wsme/root.py
@@ -205,7 +205,7 @@ class WSRoot(object):
         res_content_type = None
 
         if request.path == self._webpath + '/api.spore':
-            res.body = spore.getdesc(self)
+            res.body = spore.getdesc(self, request)
             res.content_type = 'application/json'
             return res
 
diff --git a/wsme/spore.py b/wsme/spore.py
index b45554c..e481bf6 100644
--- a/wsme/spore.py
+++ b/wsme/spore.py
@@ -6,7 +6,7 @@ except ImportError:
     import json
 
 
-def getdesc(root):
+def getdesc(root, request):
     methods = {}
 
     for path, funcdef in root.getapi():
@@ -33,7 +33,7 @@ def getdesc(root):
 
         methods[name] = {
             'method': method,
-            'path': '/'.join([root._webpath] + path)
+            'path': '/'.join(path)
         }
         if required_params:
             methods[name]['required_params'] = required_params
@@ -50,7 +50,7 @@ def getdesc(root):
             formats.append('json')
 
     api = {
-        'base_url': root._webpath,
+        'base_url': request.host_url + root._webpath,
         'version': '0.1',
         'name': getattr(root, 'name', 'name'),
         'authority': '',