diff --git a/dlls/kernel32/tests/file.c b/dlls/kernel32/tests/file.c
index dc6919371ec..866a29a3f04 100644
--- a/dlls/kernel32/tests/file.c
+++ b/dlls/kernel32/tests/file.c
@@ -3986,17 +3986,6 @@ todo_wine
         }
         else
         {
-            /* FIXME: remove once Wine is fixed */
-            if (!ret && (td[i].access & FILE_APPEND_DATA))
-            {
-todo_wine
-                ok(ret, "%d: WriteFile error %d\n", i, GetLastError());
-todo_wine
-                ok(bytes == 2, "%d: expected 2, got %u\n", i, bytes);
-                CloseHandle(hfile);
-                continue;
-            }
-
             ok(ret, "%d: WriteFile error %d\n", i, GetLastError());
             ok(bytes == 2, "%d: expected 2, got %u\n", i, bytes);
         }
diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 62ae135a3d5..a8c25d60d30 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -952,7 +952,8 @@ NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
     ULONG total = 0;
     enum server_fd_type type;
     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
-    BOOL send_completion = FALSE, async_write;
+    BOOL send_completion = FALSE, async_write, append_write = FALSE;
+    LARGE_INTEGER offset_eof;
 
     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
@@ -961,6 +962,12 @@ NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 
     status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
                                  &needs_close, &type, &options );
+    if (status == STATUS_ACCESS_DENIED)
+    {
+        status = server_get_unix_fd( hFile, FILE_APPEND_DATA, &unix_handle,
+                                     &needs_close, &type, &options );
+        append_write = TRUE;
+    }
     if (status) return status;
 
     if (!virtual_check_buffer_for_read( buffer, length ))
@@ -979,6 +986,12 @@ NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
             goto done;
         }
 
+        if (append_write)
+        {
+            offset_eof.QuadPart = (LONGLONG)-1; /* FILE_WRITE_TO_END_OF_FILE */
+            offset = &offset_eof;
+        }
+
         if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
         {
             off_t off = offset->QuadPart;
diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 4740d42fd21..1c2a918355d 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -883,30 +883,22 @@ static void append_file_test(void)
     iosb.Information = -1;
     offset.QuadPart = 1;
     status = pNtWriteFile(handle, NULL, NULL, NULL, &iosb, text + 2, 2, &offset, NULL);
-todo_wine
     ok(status == STATUS_SUCCESS, "NtWriteFile error %#x\n", status);
-todo_wine
     ok(iosb.Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", iosb.Status);
-todo_wine
     ok(iosb.Information == 2, "expected 2, got %lu\n", iosb.Information);
 
     ret = SetFilePointer(handle, 0, NULL, FILE_CURRENT);
-todo_wine
     ok(ret == 4, "expected 4, got %u\n", ret);
 
     U(iosb).Status = -1;
     iosb.Information = -1;
     offset.QuadPart = 3;
     status = pNtWriteFile(handle, NULL, NULL, NULL, &iosb, text + 4, 2, &offset, NULL);
-todo_wine
     ok(status == STATUS_SUCCESS, "NtWriteFile error %#x\n", status);
-todo_wine
     ok(iosb.Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", iosb.Status);
-todo_wine
     ok(iosb.Information == 2, "expected 2, got %lu\n", iosb.Information);
 
     ret = SetFilePointer(handle, 0, NULL, FILE_CURRENT);
-todo_wine
     ok(ret == 6, "expected 6, got %u\n", ret);
 
     CloseHandle(handle);
@@ -921,10 +913,8 @@ todo_wine
     status = pNtReadFile(handle, 0, NULL, NULL, &iosb, buf, sizeof(buf), &offset, NULL);
     ok(status == STATUS_SUCCESS, "NtReadFile error %#x\n", status);
     ok(iosb.Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", iosb.Status);
-todo_wine
     ok(iosb.Information == 6, "expected 6, got %lu\n", iosb.Information);
     buf[6] = 0;
-todo_wine
     ok(memcmp(buf, text, 6) == 0, "wrong file contents: %s\n", buf);
 
     U(iosb).Status = -1;
@@ -942,10 +932,8 @@ todo_wine
     status = pNtReadFile(handle, 0, NULL, NULL, &iosb, buf, sizeof(buf), &offset, NULL);
     ok(status == STATUS_SUCCESS, "NtReadFile error %#x\n", status);
     ok(iosb.Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", iosb.Status);
-todo_wine
     ok(iosb.Information == 6, "expected 6, got %lu\n", iosb.Information);
     buf[6] = 0;
-todo_wine
     ok(memcmp(buf, "barbar", 6) == 0, "wrong file contents: %s\n", buf);
 
     CloseHandle(handle);