diff --git a/community/ucl/APKBUILD b/community/ucl/APKBUILD
index 7c93b88aed2..475aefd3eeb 100644
--- a/community/ucl/APKBUILD
+++ b/community/ucl/APKBUILD
@@ -20,6 +20,7 @@ prepare() {
 }
 
 build() {
+	export CFLAGS="$CFLAGS -std=gnu99 -fPIC -include stddef.h"
 	./configure \
 		--prefix=/usr \
 		--enable-shared \