diff --git a/include/libtorrent/file.hpp b/include/libtorrent/file.hpp
index 36e6529ce..828d2d954 100644
--- a/include/libtorrent/file.hpp
+++ b/include/libtorrent/file.hpp
@@ -147,8 +147,8 @@ namespace libtorrent
 #else
 		int m_fd;
 #endif
-#if defined TORRENT_WINDOWS || defined TORRENT_DEBUG
-		void init_file();
+#if defined TORRENT_WINDOWS || defined TORRENT_LINUX || defined TORRENT_DEBUG
+		static void init_file();
 		static int m_page_size;
 #endif
 		int m_open_mode;
diff --git a/src/file.cpp b/src/file.cpp
index 8606cec5d..c57dc4b4d 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -234,7 +234,7 @@ namespace libtorrent
 	// defined in storage.cpp
 	int bufs_size(file::iovec_t const* bufs, int num_bufs);
 	
-#if defined TORRENT_WINDOWS || defined TORRENT_DEBUG
+#if defined TORRENT_WINDOWS || defined TORRENT_LINUX || defined TORRENT_DEBUG
 
 	int file::m_page_size = 0;
 
@@ -260,7 +260,7 @@ namespace libtorrent
 		TORRENT_ASSERT(num_bufs > 0);
 		TORRENT_ASSERT(is_open());
 
-#if defined TORRENT_WINDOWS || defined TORRENT_DEBUG
+#if defined TORRENT_WINDOWS || defined TORRENT_LINUX || defined TORRENT_DEBUG
 		// make sure m_page_size is initialized
 		init_file();
 #endif
@@ -417,7 +417,7 @@ namespace libtorrent
 		TORRENT_ASSERT(num_bufs > 0);
 		TORRENT_ASSERT(is_open());
 
-#if defined TORRENT_WINDOWS || defined TORRENT_DEBUG
+#if defined TORRENT_WINDOWS || defined TORRENT_LINUX || defined TORRENT_DEBUG
 		// make sure m_page_size is initialized
 		init_file();
 #endif