diff --git a/nginx/modsecurity/config b/nginx/modsecurity/config
index ce05d8a8e5..1cf004cd1c 100644
--- a/nginx/modsecurity/config
+++ b/nginx/modsecurity/config
@@ -3,4 +3,4 @@ HTTP_MODULES="$HTTP_MODULES ngx_http_modsecurity"
 NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_modsecurity.c"
 NGX_ADDON_DEPS="$NGX_ADDON_DEPS"
 CORE_LIBS="$CORE_LIBS $ngx_addon_dir/../../standalone/.libs/standalone.a -lapr-1 -laprutil-1 -lxml2 -lm"
-CORE_INCS="$CORE_INCS /usr/include/apache2 /usr/include/apr-1.0 $ngx_addon_dir/../../standalone $ngx_addon_dir/../../apache2 /usr/include/libxml2"
+CORE_INCS="$CORE_INCS /usr/include/apache2 /usr/include/apr-1.0 /usr/include/httpd /usr/include/apr-1 $ngx_addon_dir/../../standalone $ngx_addon_dir/../../apache2 /usr/include/libxml2"