diff --git a/record/record.c b/record/record.c
index f3a26a7..6d79de4 100644
--- a/record/record.c
+++ b/record/record.c
@@ -1393,6 +1393,9 @@ typedef struct {
     short first, last;          /* if for extension, major opcode interval */
 } SetInfoRec, *SetInfoPtr;
 
+#undef ERR /* protect against #define ERR in <sys/regset.h> on Solaris x86,
+	      which gets included indirectly via #include <stdlib.h> */
+
 /* These constant are used to index into an array of SetInfoRec. */
 enum { REQ,                     /* set info for requests */
     REP,                        /* set info for replies */