diff --git a/linux-user/mips/target_syscall.h b/linux-user/mips/target_syscall.h
index dd6fd7af8e..3e558fdb4b 100644
--- a/linux-user/mips/target_syscall.h
+++ b/linux-user/mips/target_syscall.h
@@ -21,6 +21,8 @@ struct target_pt_regs {
 };
 
 /* Target errno definitions taken from asm-mips/errno.h */
+#undef TARGET_EWOULDBLOCK
+#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
 #undef TARGET_ENOMSG
 #define TARGET_ENOMSG          35      /* Identifier removed */
 #undef TARGET_EIDRM
diff --git a/linux-user/mips64/target_syscall.h b/linux-user/mips64/target_syscall.h
index 8594955eec..c54374c5a2 100644
--- a/linux-user/mips64/target_syscall.h
+++ b/linux-user/mips64/target_syscall.h
@@ -18,6 +18,8 @@ struct target_pt_regs {
 };
 
 /* Target errno definitions taken from asm-mips/errno.h */
+#undef TARGET_EWOULDBLOCK
+#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
 #undef TARGET_ENOMSG
 #define TARGET_ENOMSG          35      /* Identifier removed */
 #undef TARGET_EIDRM