diff --git a/e2e/backend/test_cargo_binstall_slow b/e2e/backend/test_cargo_binstall_slow
index aa0ca0e445d..cef518143b6 100644
--- a/e2e/backend/test_cargo_binstall_slow
+++ b/e2e/backend/test_cargo_binstall_slow
@@ -4,11 +4,10 @@ require_cmd cargo
 export MISE_CARGO_BINSTALL=1
 echo "tools.cargo-binstall = 'latest'" >mise.toml
 mise i
-assert "mise x cargo:eza@0.18.24 -- eza -v" "eza - A modern, maintained replacement for ls
+assert "MISE_CARGO_BINSTALL_ONLY=1 mise x cargo:eza@0.18.24 -- eza -v" "eza - A modern, maintained replacement for ls
 v0.18.24 [+git]
 https://github.com/eza-community/eza"
 
-export MISE_CARGO_BINSTALL_ONLY=1
 cat >mise.toml <<EOF
 tools.cargo-binstall = "latest"
 tools."cargo:cargo-show" = "latest"