diff --git a/ci-image/entrypoint.sh b/ci-image/entrypoint.sh
index 975e7df..85696fc 100755
--- a/ci-image/entrypoint.sh
+++ b/ci-image/entrypoint.sh
@@ -9,5 +9,5 @@ echo "Using nix version $(nix --version)"
 echo "Activating flake's '$nix_shell' shell..."
 
 set -o xtrace
-nix develop .#$nix_shell --impure
+nix develop .#$nix_shell --impure --command "bash"
 set +o xtrace