diff --git a/scripts/build_nginx.sh b/scripts/build_nginx.sh
index 05702549..33c5299c 100755
--- a/scripts/build_nginx.sh
+++ b/scripts/build_nginx.sh
@@ -38,6 +38,7 @@ echo "Downloading $headers_more_nginx_module_url"
 (
 	cd nginx-${NGINX_VERSION}
 	./configure \
+		--with-debug \
 		--with-pcre=pcre-${PCRE_VERSION} \
 		--prefix=/tmp/nginx \
 		--add-module=/${temp_dir}/nginx-${NGINX_VERSION}/headers-more-nginx-module-${HEADERS_MORE_VERSION}