diff --git a/src/misc.cpp b/src/misc.cpp
index fb0e1ebe3..8ace9bbb3 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -70,6 +70,13 @@ const int UNLEN = 256;
 #endif
 #endif // DISABLE_GUI
 
+#if LIBTORRENT_VERSION_NUM < 10000
+#include <libtorrent/peer_id.hpp>
+#else
+#include <libtorrent/sha1_hash.hpp>
+#endif
+#include <libtorrent/escape_string.hpp>
+
 using namespace libtorrent;
 
 static struct { const char *source; const char *comment; } units[] = {
@@ -80,6 +87,28 @@ static struct { const char *source; const char *comment; } units[] = {
   QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)")
 };
 
+QString misc::toQString(const std::string &str) {
+  return QString::fromLocal8Bit(str.c_str());
+}
+
+QString misc::toQString(const char* str) {
+  return QString::fromLocal8Bit(str);
+}
+
+QString misc::toQStringU(const std::string &str) {
+  return QString::fromUtf8(str.c_str());
+}
+
+QString misc::toQStringU(const char* str) {
+  return QString::fromUtf8(str);
+}
+
+QString misc::toQString(const libtorrent::sha1_hash &hash) {
+  char out[41];
+ libtorrent::to_hex((char const*)&hash[0], libtorrent::sha1_hash::size, out);
+  return QString(out);
+}
+
 #ifndef DISABLE_GUI
 void misc::shutdownComputer(shutDownAction action) {
 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC)) && defined(QT_DBUS_LIB)
diff --git a/src/misc.h b/src/misc.h
index 45593c074..334c29d90 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -31,8 +31,6 @@
 #ifndef MISC_H
 #define MISC_H
 
-#include <libtorrent/torrent_info.hpp>
-#include <libtorrent/torrent_handle.hpp>
 #include <sstream>
 #include <QString>
 #include <QStringList>
@@ -46,33 +44,28 @@
 #include <QIcon>
 #endif
 
+#include <libtorrent/version.hpp>
+
+namespace libtorrent {
+#if LIBTORRENT_VERSION_NUM < 10000
+  class big_number;
+  typedef big_number sha1_hash;
+#else
+  class sha1_hash;
+#endif
+}
+
 const qlonglong MAX_ETA = 8640000;
 enum shutDownAction { NO_SHUTDOWN, SHUTDOWN_COMPUTER, SUSPEND_COMPUTER, HIBERNATE_COMPUTER };
 
 /*  Miscellaneaous functions that can be useful */
 namespace misc
 {
-  inline QString toQString(const std::string &str) {
-    return QString::fromLocal8Bit(str.c_str());
-  }
-
-  inline QString toQString(const char* str) {
-    return QString::fromLocal8Bit(str);
-  }
-
-  inline QString toQStringU(const std::string &str) {
-    return QString::fromUtf8(str.c_str());
-  }
-
-  inline QString toQStringU(const char* str) {
-    return QString::fromUtf8(str);
-  }
-
-  inline QString toQString(const libtorrent::sha1_hash &hash) {
-    char out[41];
-	 libtorrent::to_hex((char const*)&hash[0], libtorrent::sha1_hash::size, out);
-    return QString(out);
-  }
+  QString toQString(const std::string &str);
+  QString toQString(const char* str);
+  QString toQStringU(const std::string &str);
+  QString toQStringU(const char* str);
+  QString toQString(const libtorrent::sha1_hash &hash);
 
 #ifndef DISABLE_GUI
   void shutdownComputer(shutDownAction action=SHUTDOWN_COMPUTER);