diff --git a/src/core/curl_stack.cc b/src/core/curl_stack.cc
index a801bdb8..aeaef3e3 100644
--- a/src/core/curl_stack.cc
+++ b/src/core/curl_stack.cc
@@ -46,6 +46,8 @@
 #include "curl_socket.h"
 #include "curl_stack.h"
 
+namespace std { using namespace tr1; }
+
 namespace core {
 
 CurlStack::CurlStack() :
@@ -131,9 +133,11 @@ CurlStack::transfer_done(void* handle, const char* msg) {
     throw torrent::internal_error("Could not find CurlGet with the right easy_handle.");
 
   if (msg == NULL)
-    (*itr)->signal_done().emit();
+    std::for_each((*itr)->signal_done().begin(), (*itr)->signal_done().end(),
+                  std::bind(&torrent::Http::slot_void::operator(), std::placeholders::_1));
   else
-    (*itr)->signal_failed().emit(msg);
+    std::for_each((*itr)->signal_failed().begin(), (*itr)->signal_failed().end(),
+                  std::bind(&torrent::Http::slot_string::operator(), std::placeholders::_1, msg));
 }
 
 void
diff --git a/src/core/download_factory.cc b/src/core/download_factory.cc
index f7c50cc5..45fc3c95 100644
--- a/src/core/download_factory.cc
+++ b/src/core/download_factory.cc
@@ -156,8 +156,8 @@ DownloadFactory::receive_load() {
     m_stream = new std::stringstream;
     HttpQueue::iterator itr = m_manager->http_queue()->insert(m_uri, m_stream);
 
-    (*itr)->signal_done().slots().push_front(sigc::mem_fun(*this, &DownloadFactory::receive_loaded));
-    (*itr)->signal_failed().slots().push_front(sigc::mem_fun(*this, &DownloadFactory::receive_failed));
+    (*itr)->signal_done().push_front(std::bind(&DownloadFactory::receive_loaded, this));
+    (*itr)->signal_failed().push_front(std::bind(&DownloadFactory::receive_failed, this, std::placeholders::_1));
 
     m_variables["tied_to_file"] = (int64_t)false;
 
diff --git a/src/core/http_queue.cc b/src/core/http_queue.cc
index 9ab4be9b..5c3d6958 100644
--- a/src/core/http_queue.cc
+++ b/src/core/http_queue.cc
@@ -46,6 +46,8 @@
 #include "http_queue.h"
 #include "curl_get.h"
 
+namespace std { using namespace tr1; }
+
 namespace core {
 
 HttpQueue::iterator
@@ -58,8 +60,8 @@ HttpQueue::insert(const std::string& url, std::iostream* s) {
 
   iterator itr = Base::insert(end(), h.get());
 
-  h->signal_done().connect(sigc::bind(sigc::mem_fun(this, &HttpQueue::erase), itr));
-  h->signal_failed().connect(sigc::bind<0>(sigc::hide(sigc::mem_fun(this, &HttpQueue::erase)), itr));
+  h->signal_done().push_back(std::bind(&HttpQueue::erase, this, itr));
+  h->signal_failed().push_back(std::bind(&HttpQueue::erase, this, itr));
 
   (*itr)->start();