diff --git a/src/df/gfx/df_gfx.c b/src/df/gfx/df_gfx.c
index 9494e6f0..0d2da2b1 100644
--- a/src/df/gfx/df_gfx.c
+++ b/src/df/gfx/df_gfx.c
@@ -5048,7 +5048,8 @@ df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, D
           DF_ExpandKey parent_key = df_expand_key_make(5381, 1);
           DF_ExpandKey key = df_expand_key_make(df_hash_from_expand_key(parent_key), 1);
           DF_EvalVizBlockList viz_blocks = df_eval_viz_block_list_from_eval_view_expr_keys(scratch.arena, scope, &ctrl_ctx, &parse_ctx, macro_map, eval_view, expr, parent_key, key);
-          DF_EvalVizWindowedRowList viz_rows = df_eval_viz_windowed_row_list_from_viz_block_list(scratch.arena, scope, &ctrl_ctx, &parse_ctx, macro_map, eval_view, 10, ui_top_font(), ui_top_font_size(), r1s64(0, 50), &viz_blocks);
+          U32 default_radix = (eval.mode == EVAL_EvalMode_Reg ? 16 : 10);
+          DF_EvalVizWindowedRowList viz_rows = df_eval_viz_windowed_row_list_from_viz_block_list(scratch.arena, scope, &ctrl_ctx, &parse_ctx, macro_map, eval_view, default_radix, ui_top_font(), ui_top_font_size(), r1s64(0, 50), &viz_blocks);
           
           //- rjf: animate
           {