diff --git a/qad/QADDeploy.cmake b/qad/QADDeploy.cmake
index 7f4912d..95f6682 100644
--- a/qad/QADDeploy.cmake
+++ b/qad/QADDeploy.cmake
@@ -307,7 +307,7 @@ macro(deploy_target _T)
 
 			COMMAND deploy_tool -W "\"${CMAKE_OBJDUMP}\"" -P windows -S windows -q "\"${Qt5_ROOT}\"" -s "\"${CMAKE_PREFIX_PATH}/bin;${MINGW_BIN};${DEPLOY_ADD_LIBPATH}${_DEP_LIBPATH}\"" -o ${_AGD} -p ${_AGD} "\"${_AGD}${_T}.exe\""
 			# zip
-			COMMAND cd "\"${_DEPLOY_DIR}\"" "&&" zip -r "\"${_DESTINATION}/${_TV}.zip\"" "\"${_TV}_win_${MY_ARCH}\""
+			COMMAND cd "\"${_DEPLOY_DIR}\"" "&&" zip -9 -r "\"${_DESTINATION}/${_TV}.zip\"" "\"${_TV}_win_${MY_ARCH}\""
 			COMMENT "Generating ${_TV}.zip"
 			)
 	elseif (APPLE)