diff --git a/sys/boot/common/ufsread.c b/sys/boot/common/ufsread.c
index b0a1547c301..3949deb5e42 100644
--- a/sys/boot/common/ufsread.c
+++ b/sys/boot/common/ufsread.c
@@ -122,7 +122,9 @@ lookup(const char *path)
 	return dt == DT_REG ? ino : 0;
 }
 
+#ifndef __sparc64__
 #define UFS1_ONLY
+#endif
 #ifdef UFS1_ONLY
 
 static ssize_t