diff --git a/include/lib/zt_common.h b/include/lib/zt_common.h
index 6a4014aa..f8257e5d 100644
--- a/include/lib/zt_common.h
+++ b/include/lib/zt_common.h
@@ -64,6 +64,7 @@
 #define TOOLS_BINDIR	STRINGIFY (S390_TOOLS_BINDIR)
 #define TOOLS_DATADIR	STRINGIFY (S390_TOOLS_DATADIR)
 
+#define __used __attribute__((used))
 #define __noreturn __attribute__((noreturn))
 #define __packed __attribute__((packed))
 #define __aligned(x) __attribute__((aligned(x)))