diff --git a/coregrind/m_syswrap/syswrap-generic.c b/coregrind/m_syswrap/syswrap-generic.c
index 0c272da61..18080b85c 100644
--- a/coregrind/m_syswrap/syswrap-generic.c
+++ b/coregrind/m_syswrap/syswrap-generic.c
@@ -4886,7 +4886,7 @@ PRE(sys_poll)
                     (Addr)(&ufds[i].fd), sizeof(ufds[i].fd) );
       PRE_MEM_READ( "poll(ufds.events)",
                     (Addr)(&ufds[i].events), sizeof(ufds[i].events) );
-      PRE_MEM_WRITE( "poll(ufd.reventss)",
+      PRE_MEM_WRITE( "poll(ufds.reventss)",
                      (Addr)(&ufds[i].revents), sizeof(ufds[i].revents) );
    }
 }
diff --git a/memcheck/tests/badpoll.stderr.exp b/memcheck/tests/badpoll.stderr.exp
index 2586ace4c..1c71844b7 100644
--- a/memcheck/tests/badpoll.stderr.exp
+++ b/memcheck/tests/badpoll.stderr.exp
@@ -1,11 +1,11 @@
-Syscall param poll(ufds) points to uninitialised byte(s)
+Syscall param poll(ufds.fd) points to uninitialised byte(s)
    at 0x........: poll (in /...libc...)
    by 0x........: main (badpoll.c:22)
  Address 0x........ is 8 bytes inside a block of size 15 alloc'd
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (badpoll.c:12)
 
-Syscall param poll(ufds) points to unaddressable byte(s)
+Syscall param poll(ufds.reventss) points to unaddressable byte(s)
    at 0x........: poll (in /...libc...)
    by 0x........: main (badpoll.c:22)
  Address 0x........ is 0 bytes after a block of size 15 alloc'd