diff --git a/daras_ai_v2/base.py b/daras_ai_v2/base.py
index 809eede55..2ff298ec7 100644
--- a/daras_ai_v2/base.py
+++ b/daras_ai_v2/base.py
@@ -473,7 +473,9 @@ def render_submit_button(self, key="--submit-1"):
         with st.div(className="position-sticky bottom-0 bg-white"):
             st.write("---")
             col1, col2 = st.columns([2, 1], responsive=False)
-            col2.node.props["className"] += " d-flex justify-content-end align-items-center"
+            col2.node.props[
+                "className"
+            ] += " d-flex justify-content-end align-items-center"
             with col1:
                 st.caption(
                     f"Run cost = [{self.get_price_roundoff(st.session_state)} credits]({self.get_credits_click_url()}) \\\n"