diff --git a/portable/build.sh b/portable/build.sh
index 1894798..c9524ae 100755
--- a/portable/build.sh
+++ b/portable/build.sh
@@ -28,6 +28,7 @@ case ${BUILD_TYPE} in
         APPHOST="-p:UseAppHost=true"
     ;;
 esac
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
 dotnet publish Jellyfin.Server --configuration Release ${RUNTIME} --output ${BUILD_DIR}/jellyfin/ -p:DebugSymbols=false -p:DebugType=none ${APPHOST}
 popd