diff --git a/dlls/advpack/files.c b/dlls/advpack/files.c
index 5e9ce30fee2..3aabc082c16 100644
--- a/dlls/advpack/files.c
+++ b/dlls/advpack/files.c
@@ -709,7 +709,7 @@ HRESULT WINAPI ExtractFilesA(LPCSTR CabName, LPCSTR ExpandDir, DWORD Flags,
     if (FileList)
     {
         szConvertedList = convert_file_list(FileList, &dwFileCount);
-        if (!szConvertedList || dwFileCount == -1)
+        if (!szConvertedList)
         {
             res = E_FAIL;
             goto done;