diff --git a/libc/kernel/uapi/asm-generic/siginfo.h b/libc/kernel/uapi/asm-generic/siginfo.h
index 90393ba..a6eef5a 100644
--- a/libc/kernel/uapi/asm-generic/siginfo.h
+++ b/libc/kernel/uapi/asm-generic/siginfo.h
@@ -185,7 +185,8 @@
 #define SEGV_ADIPERR 7
 #define SEGV_MTEAERR 8
 #define SEGV_MTESERR 9
-#define NSIGSEGV 9
+#define SEGV_CPERR 10
+#define NSIGSEGV 10
 #define BUS_ADRALN 1
 #define BUS_ADRERR 2
 #define BUS_OBJERR 3