diff --git a/modules.def b/modules.def
index a3de5877d..c7574e928 100644
--- a/modules.def
+++ b/modules.def
@@ -453,4 +453,5 @@ program = {
   source = grub-core/tests/lib/test.c;
   cflags = -Wno-format;
   ldadd = libgrub.a;
+  ldflags = '$(LIBDEVMAPPER)';
 };