diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index a04f3992787c24aa8a1ffd92080469eb63388ff0..077a059701758e21dfb1157f1d181423ea42463f 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1295,7 +1295,7 @@ struct target_winsize {
 
 #include "termbits.h"
 
-#if defined(TARGET_MIPS)
+#if defined(TARGET_MIPS) || defined(TARGET_XTENSA)
 #define TARGET_PROT_SEM         0x10
 #else
 #define TARGET_PROT_SEM         0x08