diff --git a/linux-user/generic/sockbits.h b/linux-user/generic/sockbits.h
index e44733c601..b3b4a8e44c 100644
--- a/linux-user/generic/sockbits.h
+++ b/linux-user/generic/sockbits.h
@@ -55,4 +55,7 @@
 #define TARGET_SO_ACCEPTCONN           30
 
 #define TARGET_SO_PEERSEC              31
+
+#define TARGET_SO_PROTOCOL             38
+#define TARGET_SO_DOMAIN               39
 #endif
diff --git a/linux-user/mips/sockbits.h b/linux-user/mips/sockbits.h
index 0f022cd598..562cad88e2 100644
--- a/linux-user/mips/sockbits.h
+++ b/linux-user/mips/sockbits.h
@@ -40,6 +40,8 @@
 #define TARGET_SO_SNDTIMEO     0x1005  /* send timeout */
 #define TARGET_SO_RCVTIMEO     0x1006  /* receive timeout */
 #define TARGET_SO_ACCEPTCONN   0x1009
+#define TARGET_SO_PROTOCOL     0x1028  /* protocol type */
+#define TARGET_SO_DOMAIN       0x1029  /* domain/socket family */
 
 /* linux-specific, might as well be the same as on i386 */
 #define TARGET_SO_NO_CHECK     11
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6fea00869e..36b0901055 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2837,6 +2837,12 @@ get_timeout:
         case TARGET_SO_ACCEPTCONN:
             optname = SO_ACCEPTCONN;
             goto int_case;
+        case TARGET_SO_PROTOCOL:
+            optname = SO_PROTOCOL;
+            goto int_case;
+        case TARGET_SO_DOMAIN:
+            optname = SO_DOMAIN;
+            goto int_case;
         default:
             goto int_case;
         }