diff --git a/ext/mysql/config.m4 b/ext/mysql/config.m4
index 35b9cabb96f..f04301c5c65 100644
--- a/ext/mysql/config.m4
+++ b/ext/mysql/config.m4
@@ -38,6 +38,7 @@ if test "$PHP_MYSQL" = "yes"; then
   PHP_SUBST(MYSQL_LIBADD)
   PHP_SUBST(MYSQL_SUBDIRS)
 
+  PHP_EXTENSION(mysql)
   AC_ADD_INCLUDE(${ext_src_base}libmysql)
 elif test "$PHP_MYSQL" != "no"; then
   for i in $PHP_MYSQL; do
@@ -57,9 +58,9 @@ elif test "$PHP_MYSQL" != "no"; then
   AC_ADD_LIBPATH($MYSQL_DIR/lib/mysql) 
   AC_ADD_LIBRARY(mysqlclient)
   AC_ADD_INCLUDE($MYSQL_INC_DIR)
+  PHP_EXTENSION(mysql)
 fi
 
 if test "$PHP_MYSQL" != "no"; then
-  PHP_EXTENSION(mysql)
   AC_DEFINE(HAVE_MYSQL, 1, [Whether you have MySQL])
 fi