diff --git a/packages/pi/default.nix b/packages/pi/default.nix
index a6d377c..14386d1 100644
--- a/packages/pi/default.nix
+++ b/packages/pi/default.nix
@@ -54,6 +54,7 @@ buildNpmPackage {
       } \
       --set PI_SKIP_VERSION_CHECK 1 \
       --set PI_TELEMETRY 0 \
+      --set PI_OFFLINE 1 \
       --run 'export NPM_CONFIG_PREFIX="''${NPM_CONFIG_PREFIX:-$HOME/.pi/npm-global}"' \
       --run 'export PATH="$NPM_CONFIG_PREFIX/bin:$PATH"'
   '';