diff --git a/linux-user/generic/target_resource.h b/linux-user/generic/target_resource.h
index f04c93b125..539d8c4677 100644
--- a/linux-user/generic/target_resource.h
+++ b/linux-user/generic/target_resource.h
@@ -33,5 +33,6 @@ struct target_rlimit64 {
 #define TARGET_RLIMIT_MSGQUEUE          12
 #define TARGET_RLIMIT_NICE              13
 #define TARGET_RLIMIT_RTPRIO            14
+#define TARGET_RLIMIT_RTTIME            15
 
 #endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index b3948d13a9..b9b18a7eaf 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1053,6 +1053,8 @@ static inline int target_to_host_resource(int code)
         return RLIMIT_RSS;
     case TARGET_RLIMIT_RTPRIO:
         return RLIMIT_RTPRIO;
+    case TARGET_RLIMIT_RTTIME:
+        return RLIMIT_RTTIME;
     case TARGET_RLIMIT_SIGPENDING:
         return RLIMIT_SIGPENDING;
     case TARGET_RLIMIT_STACK: