diff --git a/cdr/cdr_tds.c b/cdr/cdr_tds.c
index 9ca5c2f32e..2ac8481a82 100644
--- a/cdr/cdr_tds.c
+++ b/cdr/cdr_tds.c
@@ -320,7 +320,7 @@ static int mssql_disconnect(void)
 
 static int mssql_connect(void)
 {
-#ifdef FREETDS_0_63
+#if (defined(FREETDS_0_63) || defined(FREETDS_0_64))
 	TDSCONNECTION *connection = NULL;
 #else
 	TDSCONNECTINFO *connection = NULL;
@@ -346,7 +346,11 @@ static int mssql_connect(void)
 	tds_set_packet(login, 512);
 	tds_set_version(login, 7, 0);
 
+#ifdef FREETDS_0_64
+	if (!(context = tds_alloc_context(NULL)))
+#else
 	if (!(context = tds_alloc_context()))
+#endif
 	{
 		ast_log(LOG_ERROR, "tds_alloc_context() failed.\n");
 		goto connect_fail;
@@ -369,7 +373,7 @@ static int mssql_connect(void)
 	{
 		ast_log(LOG_ERROR, "Failed to connect to MSSQL server.\n");
 		tds = NULL;	/* freed by tds_connect() on error */
-#ifdef FREETDS_0_63
+#if (defined(FREETDS_0_63) || defined(FREETDS_0_64))
 		tds_free_connection(connection);
 #else
 		tds_free_connect(connection);
@@ -377,7 +381,7 @@ static int mssql_connect(void)
 		connection = NULL;
 		goto connect_fail;
 	}
-#ifdef FREETDS_0_63
+#if (defined(FREETDS_0_63) || defined(FREETDS_0_64))
 	tds_free_connection(connection);
 #else
 	tds_free_connect(connection);
diff --git a/configure b/configure
index 188c4113ae..547eb623f0 100755
--- a/configure
+++ b/configure
@@ -27526,6 +27526,9 @@ fi
 if test "${PBX_FREETDS}" != "0";
 then
     case `grep TDS_VERSION_NO ${FREETDS_DIR:-/usr/include}/tdsver.h` in
+	*0.64*)
+		FREETDS_INCLUDE="${FREETDS_INCLUDE} -DFREETDS_0_64"
+	;;
     *0.63*)
         FREETDS_INCLUDE="${FREETDS_INCLUDE} -DFREETDS_0_63"
 	;;
diff --git a/configure.ac b/configure.ac
index 167a402be7..3218814fef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -837,6 +837,9 @@ AST_EXT_LIB_CHECK([FREETDS], [tds], [tds_version], [tds.h])
 if test "${PBX_FREETDS}" != "0";
 then
     case `grep TDS_VERSION_NO ${FREETDS_DIR:-/usr/include}/tdsver.h` in
+	*0.64*)
+		FREETDS_INCLUDE="${FREETDS_INCLUDE} -DFREETDS_0_64"
+	;;
     *0.63*)
         FREETDS_INCLUDE="${FREETDS_INCLUDE} -DFREETDS_0_63"
 	;;