diff --git a/include/lib/zt_common.h b/include/lib/zt_common.h
index 437a2915..858d19cd 100644
--- a/include/lib/zt_common.h
+++ b/include/lib/zt_common.h
@@ -50,6 +50,10 @@
 #define __ALIGN_MASK(x, mask)	(((x) + (mask)) & ~(mask))
 #define ARRAY_SIZE(x)		(sizeof(x) / sizeof((x)[0]))
 
+#ifndef ROUNDUP
+# define ROUNDUP(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+#endif
+
 #define RELEASE_STRING	STRINGIFY (S390_TOOLS_RELEASE)
 #define TOOLS_LIBDIR	STRINGIFY (S390_TOOLS_LIBDIR)
 #define TOOLS_SYSCONFDIR STRINGIFY (S390_TOOLS_SYSCONFDIR)
diff --git a/zdump/zg.h b/zdump/zg.h
index dc1bdace..310474d7 100644
--- a/zdump/zg.h
+++ b/zdump/zg.h
@@ -94,7 +94,6 @@ void zg_stdout(const char *fmt, ...);
  */
 #define PAGE_SIZE 4096UL
 #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
-#define ROUNDUP(x, y)	((((x) + ((y) - 1)) / (y)) * (y))
 
 static inline u32 zg_csum_partial(const void *buf, int len, u32 sum)
 {
diff --git a/zipl/include/misc.h b/zipl/include/misc.h
index f222d01e..d57a9c51 100644
--- a/zipl/include/misc.h
+++ b/zipl/include/misc.h
@@ -54,6 +54,5 @@ void misc_ebcdic_to_ascii(unsigned char *from, unsigned char *to);
 void misc_ascii_to_ebcdic(unsigned char *from, unsigned char *to);
 unsigned int misc_check_secure_boot(void);
 
-#define ROUNDUP(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
 #endif /* not MISC_H */