diff --git a/libmproxy/protocol/http.py b/libmproxy/protocol/http.py
index a1be6a17c..bd850967c 100644
--- a/libmproxy/protocol/http.py
+++ b/libmproxy/protocol/http.py
@@ -946,7 +946,10 @@ class HTTPHandler(ProtocolHandler, TemporaryServerChangeMixin):
         if code:
             err = "%s: %s" % (code, message)
         else:
-            err = error.__class__
+            try:
+                err = str(error)
+            except:
+                err = error.__class__
 
         self.c.log("error: %s" % err, level="info")
 
diff --git a/setup.py b/setup.py
index ffc6cc7c0..09213fcdf 100644
--- a/setup.py
+++ b/setup.py
@@ -102,6 +102,7 @@ setup(
             "netlib>=%s"%version.MINORVERSION,
             "urwid>=1.1",
             "pyasn1>0.1.2",
+            "requests>=1.2.2",
             "pyopenssl>=0.14",
             "Pillow>=2.3.0",
             "lxml",