diff --git a/tox.ini b/tox.ini
index 87f67c8a0ee..8f07c06fd37 100644
--- a/tox.ini
+++ b/tox.ini
@@ -468,6 +468,7 @@ commands =
     local:             {env:BOOTSTRAP} && \
     local:             ./configure --prefix={envdir}/local {env:CONFIGURE_ARGS} && \
     local:             case "{posargs:}" in \
+    local:                 bash)    bash -i; exit ;; \
     local:                 config*) ;; \
     local:                 *)       make -k V=0 base-toolchain ;; \
     local:             esac && \