diff --git a/devenv.nix b/devenv.nix
index b9aabc5..6edd2b9 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -51,7 +51,7 @@
     build-docker.exec = ''
       dart run pdfrx:remove_wasm_modules --revert // Make sure WASM is put in output
 
-      flutter build web --release
+      flutter build web --release --wasm
 
       docker build -t gitlab.julian-mutter.de/julian/sheetless-frontend:latest .
     '';