diff --git a/build-aux/m4/buildsys.m4 b/build-aux/m4/buildsys.m4
index cb049b7..da32038 100644
--- a/build-aux/m4/buildsys.m4
+++ b/build-aux/m4/buildsys.m4
@@ -234,7 +234,7 @@ AC_DEFUN([BUILDSYS_PIE], [
 	], [
 		AC_MSG_RESULT(yes)
 		AC_SUBST(PIE_CFLAGS, -fPIE)
-		AC_SUBST(PIE_LDFLAGS, -pie)
+		AC_SUBST(PIE_LDFLAGS, [-Wl,-pie])
 	], [
 		AC_MSG_RESULT(no)
 	])