diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 0ebe7e1..d44f512 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1551,8 +1551,9 @@ static abi_long do_bind(int sockfd, abi_ulong target_addr,
     void *addr;
     abi_long ret;

-    if (addrlen < 0)
+    if ((int)addrlen < 0) {
         return -TARGET_EINVAL;
+    }

     addr = alloca(addrlen+1);

@@ -1570,8 +1571,9 @@ static abi_long do_connect(int sockfd, abi_ulong
target_addr,
     void *addr;
     abi_long ret;

-    if (addrlen < 0)
+    if ((int)addrlen < 0) {
         return -TARGET_EINVAL;
+    }

     addr = alloca(addrlen);