diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1cae58c8f..e4911928f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -410,7 +410,7 @@ IF(APPLE)
 ELSE()
     set(DFHACK_PACKAGE_PLATFORM_NAME ${CMAKE_SYSTEM_NAME})
 ENDIF()
-set(CPACK_PACKAGE_FILE_NAME "dfhack-${DFHACK_VERSION}-${DFHACK_PACKAGE_PLATFORM_NAME}${DFHACK_PACKAGE_SUFFIX}")
+set(CPACK_PACKAGE_FILE_NAME "dfhack-${DFHACK_VERSION}-${DFHACK_PACKAGE_PLATFORM_NAME}-${DFHACK_BUILD_ARCH}${DFHACK_PACKAGE_SUFFIX}")
 INCLUDE(CPack)
 
 #INCLUDE(FindSphinx.cmake)