diff --git a/configure.ac b/configure.ac
index c3a17f1e..3257afc0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,7 +39,7 @@ TORRENT_CHECK_EXECINFO()
 TORRENT_CHECK_CURL()
 TORRENT_OTFD()
 
-PKG_CHECK_MODULES(STUFF, sigc++-2.0 libtorrent >= 0.4.10,
+PKG_CHECK_MODULES(STUFF, sigc++-2.0 libtorrent >= 0.4.11,
 	          CXXFLAGS="$CXXFLAGS $STUFF_CFLAGS $CURL_CFLAGS";
 		  LIBS="$LIBS $STUFF_LIBS $CURL_LIBS")
 
diff --git a/src/core/poll.cc b/src/core/poll.cc
index 216c29bd..5a5a3680 100644
--- a/src/core/poll.cc
+++ b/src/core/poll.cc
@@ -1,5 +1,6 @@
 #include "config.h"
 
+#include <errno.h>
 #include <stdexcept>
 #include <sstream>
 #include <ncurses.h>