diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 97ed652..5e6e9a6 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on `Keep a Changelog <https://keepachangelog.com>`_.
 
+6.9
+---
+- Added ``rename_std`` option to ``lineplot_and_heatmaps``, which fixes a quasi-bug introduced in the ``rename_stat_col`` option by the changes in version 6.8.
+
 6.8
 ---
 - Add ``addtl_slider_stats_as_max`` to ``lineplot_and_heatmap``.
diff --git a/polyclonal/__init__.py b/polyclonal/__init__.py
index 4602f15..b61f263 100644
--- a/polyclonal/__init__.py
+++ b/polyclonal/__init__.py
@@ -31,7 +31,7 @@
 
 __author__ = "`the Bloom lab <https://research.fhcrc.org/bloom/en.html>`_"
 __email__ = "jbloom@fredhutch.org"
-__version__ = "6.8"
+__version__ = "6.9"
 __url__ = "https://github.com/jbloomlab/polyclonal"
 
 from polyclonal.alphabets import AAS
diff --git a/polyclonal/plot.py b/polyclonal/plot.py
index 84d27a0..568bc70 100644
--- a/polyclonal/plot.py
+++ b/polyclonal/plot.py
@@ -483,6 +483,7 @@ def lineplot_and_heatmap(
     show_heatmap=True,
     scale_stat_col=1,
     rename_stat_col=None,
+    rename_std=True,
     sites_to_show=None,
 ):
     """Lineplots and heatmaps of per-site and per-mutation values.
@@ -580,6 +581,9 @@ def lineplot_and_heatmap(
         Multiply numbers in `stat_col` by this number before plotting.
     rename_stat_col : None or str
         If a str, rename `stat_col` to this. Also changes y-axis labels.
+    rename_std : bool
+        If ``rename_stat_col`` is ``True``, rename any column named ``<stat_col>_std``
+        to ``<rename_stat_col>_std``.
     sites_to_show : None or dict
         If `None`, all sites are shown. If a dict, can be keyed by "include_range"
         (value a 2-tuple giving first and last site to include, inclusive),
@@ -590,13 +594,6 @@ def lineplot_and_heatmap(
     altair.Chart
         Interactive plot.
     """
-    if rename_stat_col:
-        if rename_stat_col in data_df.columns:
-            raise ValueError(f"{rename_stat_col=} already in {data_df.columns=}")
-        data_df = data_df.rename(columns={stat_col: rename_stat_col})
-        stat_col = rename_stat_col
-
-    basic_req_cols = ["site", "wildtype", "mutant", stat_col, category_col]
     if addtl_tooltip_stats is None:
         addtl_tooltip_stats = []
     if addtl_slider_stats is None:
@@ -612,6 +609,40 @@ def lineplot_and_heatmap(
     addtl_slider_stats_hide_not_filter = set(addtl_slider_stats).intersection(
         addtl_slider_stats_hide_not_filter
     )
+
+    if rename_stat_col:
+        if rename_stat_col in data_df.columns:
+            raise ValueError(f"{rename_stat_col=} already in {data_df.columns=}")
+        data_df = data_df.rename(columns={stat_col: rename_stat_col})
+        std_col = f"{stat_col}_std"
+        stat_col = rename_stat_col
+        if rename_std:
+            rename_std_col = f"{rename_stat_col}_std"
+            if std_col in set(data_df.columns):
+                if rename_std_col in set(data_df.columns):
+                    raise ValueError(
+                        f"{data_df.columns=} has both {std_col=} and {rename_std_col=}"
+                    )
+                data_df = data_df.rename(columns={std_col: rename_std_col})
+                if std_col in addtl_slider_stats:
+                    addtl_slider_stats[rename_std_col] = addtl_slider_stats[std_col]
+                    del addtl_slider_stats[std_col]
+
+                def replace_std(col):
+                    if col == std_col:
+                        return rename_std_col
+                    else:
+                        return col
+
+                addtl_tooltip_stats = [replace_std(c) for c in addtl_tooltip_stats]
+                addtl_slider_stats_as_max = [
+                    replace_std(c) for c in addtl_slider_stats_as_max
+                ]
+                addtl_slider_stats_hide_not_filter = [
+                    replace_std(c) for c in addtl_slider_stats_hide_not_filter
+                ]
+
+    basic_req_cols = ["site", "wildtype", "mutant", stat_col, category_col]
     req_cols = basic_req_cols + addtl_tooltip_stats + list(addtl_slider_stats)
     if site_zoom_bar_color_col:
         req_cols.append(site_zoom_bar_color_col)