diff --git a/apps/openmw/engine.cpp b/apps/openmw/engine.cpp
index 9bf805845..b24d6e325 100644
--- a/apps/openmw/engine.cpp
+++ b/apps/openmw/engine.cpp
@@ -244,7 +244,7 @@ void OMW::Engine::loadBSA()
         if (boost::filesystem::extension (iter->path())==".bsa")
         {
             std::cout << "Adding " << iter->path().string() << std::endl;
-            addBSA(iter->path().file_string());
+            addBSA(iter->path().string());
         }
     }
 }
@@ -254,7 +254,7 @@ void OMW::Engine::loadBSA()
 
 void OMW::Engine::addResourcesDirectory (const boost::filesystem::path& path)
 {
-    mOgre.getRoot()->addResourceLocation (path.file_string(), "FileSystem",
+    mOgre.getRoot()->addResourceLocation (path.string(), "FileSystem",
         Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, true);
 }
 
diff --git a/apps/openmw/mwsound/soundmanager.cpp b/apps/openmw/mwsound/soundmanager.cpp
index ae01bc6c7..564ebe941 100644
--- a/apps/openmw/mwsound/soundmanager.cpp
+++ b/apps/openmw/mwsound/soundmanager.cpp
@@ -312,7 +312,7 @@ namespace MWSound
   {
     MP3Lookup(dataDir / "Music/Explore/");
     if(useSound)
-      mData = new SoundImpl(root, camera, store, (dataDir / "Sound").file_string());
+      mData = new SoundImpl(root, camera, store, (dataDir / "Sound").string());
   }
 
   SoundManager::~SoundManager()
@@ -349,7 +349,7 @@ namespace MWSound
         {
             fileIter++;
         }
-        std::string music = fileIter->file_string();
+        std::string music = fileIter->string();
         try
         {
             std::cout << "Playing " << music << "\n";
diff --git a/apps/openmw/mwworld/world.cpp b/apps/openmw/mwworld/world.cpp
index 10117d853..c08dc420b 100644
--- a/apps/openmw/mwworld/world.cpp
+++ b/apps/openmw/mwworld/world.cpp
@@ -419,7 +419,7 @@ namespace MWWorld
         std::cout << "Loading ESM " << masterPath.string() << "\n";
 
         // This parses the ESM file and loads a sample cell
-        mEsm.open (masterPath.file_string());
+        mEsm.open (masterPath.string());
         mStore.load (mEsm);
 
         mPlayer = new MWWorld::Player (mScene.getPlayer(), mStore.npcs.find ("player"), *this);
diff --git a/components/file_finder/file_finder.hpp b/components/file_finder/file_finder.hpp
index 107121278..cfa07dce9 100644
--- a/components/file_finder/file_finder.hpp
+++ b/components/file_finder/file_finder.hpp
@@ -20,7 +20,7 @@ class FileFinderT
 
     void add(const boost::filesystem::path &pth)
     {
-      std::string file = pth.file_string();
+      std::string file = pth.string();
       std::string key = file.substr(cut);
       owner->table[key] = file;
     }
@@ -35,7 +35,7 @@ public:
 
     // Remember the original path length, so we can cut it away from
     // the relative paths used as keys
-    std::string pstring = path.file_string();
+    std::string pstring = path.string();
     inserter.cut = pstring.size();
 
     // If the path does not end in a slash, then boost will add one