diff --git a/ports/log4cplus/portfile.cmake b/ports/log4cplus/portfile.cmake
index ffdd0c3ba6..db694315b4 100644
--- a/ports/log4cplus/portfile.cmake
+++ b/ports/log4cplus/portfile.cmake
@@ -9,7 +9,7 @@ vcpkg_from_github(
 
 vcpkg_download_distfile(ARCHIVE
     URLS "https://github.com/log4cplus/ThreadPool/archive/dda9e3d40502e85ce082c05d2c05c1bc94348b6a.tar.gz"
-    FILENAME "master.tar.gz"
+    FILENAME "log4cplus-threadpool-97b5877b9c49d02abf.tar.gz"
     SHA512 97b5877b9c49d02abfcba4ca1312b833b58e4f0e9884fdcf57c20b7ec58801ed24742c8316512b4de8ab29bae42cc1e34058c0d2443c3a5950a2fb3434f86662
 )
 vcpkg_extract_source_archive(${ARCHIVE})