diff --git a/configure.ac b/configure.ac
index 9808e94..b8610c6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -72,7 +72,7 @@ AC_DEFUN([CONFIG_OPTION_MYSQL],[
   fi
   MYSQL_INC="$MYSQL_INC $($ac_mysql_config --include)"
   ac_mysql_major_version="`$ac_mysql_config --version | cut -b 1-3`"
-  if test "$ac_mysql_major_version" = "5.1"; then
+  if test "$ac_mysql_major_version" = "5.1" -o "$ac_mysql_major_version" = "5.2"; then
     MYSQL51="-DMYSQL51"
     AC_SUBST(MYSQL51)
   fi