diff --git a/config.m4 b/config.m4
index b5f18aa098e..6904f53a075 100644
--- a/config.m4
+++ b/config.m4
@@ -746,7 +746,7 @@ if test "$PHP_SWOOLE" != "no"; then
         AC_MSG_RESULT([disabled])
     fi
 
-    PHP_INSTALL_HEADERS([ext/swoole], [ext-src/*.h config.h include/*.h thirdparty/*.h thirdparty/hiredis/*.h])
+    PHP_INSTALL_HEADERS([ext/swoole], [ext-src/*.h config.h php_swoole.h include/*.h thirdparty/*.h thirdparty/hiredis/*.h])
 
     PHP_REQUIRE_CXX()