diff --git a/ports/zeromq/portfile.cmake b/ports/zeromq/portfile.cmake
index 0b6692c89e..e0828f6c05 100644
--- a/ports/zeromq/portfile.cmake
+++ b/ports/zeromq/portfile.cmake
@@ -3,7 +3,7 @@ include(vcpkg_common_functions)
 set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/libzmq-1a02b1b3f2fde6288579cbb0ff9a0b1f195e1812)
 vcpkg_download_distfile(ARCHIVE
     URLS "https://github.com/zeromq/libzmq/archive/1a02b1b3f2fde6288579cbb0ff9a0b1f195e1812.zip"
-    FILENAME "zeromq-1a02b1b3f2fde6288579cbb0ff9a0b1f195e1812.tar.gz"
+    FILENAME "zeromq-1a02b1b3f2fde6288579cbb0ff9a0b1f195e1812.zip"
     SHA512 64a5cfb23dd2daa99c9c5a5e2b0693458658e34102b07169a43c63c159af88181ec36caaaa2c780303c4ceba3c4b901e409baebaf12106bdf6a14c5832dfa219
 )
 vcpkg_extract_source_archive(${ARCHIVE})