diff --git a/src/disk_io_thread.cpp b/src/disk_io_thread.cpp
index af8192ffd..873add80a 100644
--- a/src/disk_io_thread.cpp
+++ b/src/disk_io_thread.cpp
@@ -1450,7 +1450,10 @@ namespace libtorrent
 					if (j.buffer == 0)
 					{
 						ret = -1;
-#if BOOST_VERSION >= 103500
+#if BOOST_VERSION == 103500
+						j.error = error_code(boost::system::posix_error::not_enough_memory
+							, get_posix_category());
+#elif BOOST_VERSION > 103500
 						j.error = error_code(boost::system::errc::not_enough_memory
 							, get_posix_category());
 #else
@@ -1510,7 +1513,10 @@ namespace libtorrent
 					if (j.buffer == 0)
 					{
 						ret = -1;
-#if BOOST_VERSION >= 103500
+#if BOOST_VERSION == 103500
+						j.error = error_code(boost::system::posix_error::not_enough_memory
+							, get_posix_category());
+#elif BOOST_VERSION > 103500
 						j.error = error_code(boost::system::errc::not_enough_memory
 							, get_posix_category());
 #else
diff --git a/src/torrent.cpp b/src/torrent.cpp
index ee2a58552..e49a16efd 100644
--- a/src/torrent.cpp
+++ b/src/torrent.cpp
@@ -395,7 +395,9 @@ namespace libtorrent
 		}
 
 		if (j.error ==
-#if BOOST_VERSION >= 103500
+#if BOOST_VERSION == 103500
+			error_code(boost::system::posix_error::not_enough_memory, get_posix_category())
+#elif BOOST_VERSION > 103500
 			error_code(boost::system::errc::not_enough_memory, get_posix_category())
 #else
 			asio::error::no_memory