diff --git a/CHANGELOG.md b/CHANGELOG.md
index b53096ecb..37ad23503 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,8 @@
 
 ### Features
 
-- Support for the Windows 10 and 11 dark mode was added on Windows 10 20H1 and
-  newer.
+- Support for the Windows 10 and 11 dark mode was added on Windows 10 version
+  2004 and newer.
   [[multiple pull requests](https://github.com/reupen/columns_ui/pulls?q=is%3Apr+is%3Aclosed+label%3A%22dark+mode%22+merged%3A%3C%3D2022-04-21)]
 
   This can be enabled from the Mode tab on the Colours and fonts preferences
@@ -32,8 +32,8 @@
 - The shading of alternate rows in the playlist view was disabled by default in
   new installations. [[#522](https://github.com/reupen/columns_ui/pull/522)]
 
-  This can be enabled by uncommenting the second line in the default global
-  style script.
+  It can still be enabled (in new installations) by uncommenting the second line
+  in the default global style script.
 
 - Status bar and status pane preferences were fully separated.
   [[#516](https://github.com/reupen/columns_ui/pull/516)]
@@ -59,7 +59,8 @@
   there. [[#466](https://github.com/reupen/columns_ui/pull/466),
   [#470](https://github.com/reupen/columns_ui/pull/470),
   [#473](https://github.com/reupen/columns_ui/pull/473),
-  [#514](https://github.com/reupen/columns_ui/pull/514)]
+  [#514](https://github.com/reupen/columns_ui/pull/514),
+  [#540](https://github.com/reupen/columns_ui/pull/540)]
 
 - The Filter search toolbar is now integrated with the Colours and fonts
   preferences page, and its font, foreground colour and background colour are
diff --git a/foo_ui_columns/tab_dark_mode.cpp b/foo_ui_columns/tab_dark_mode.cpp
index a5f60bead..8e2bc99fd 100644
--- a/foo_ui_columns/tab_dark_mode.cpp
+++ b/foo_ui_columns/tab_dark_mode.cpp
@@ -7,7 +7,7 @@
 
 constexpr auto unknown_windows_build_message
     = "Your version of Windows has not been tested for dark mode compatibility. Some dark mode features have been disabled."sv;
-constexpr auto windows_too_old_message = "Dark mode requires Windows 10 20H1 or newer."sv;
+constexpr auto windows_too_old_message = "Dark mode requires Windows 10 version 2004 or newer."sv;
 constexpr auto dark_mode_unavailable_message = "Dark mode is unavailable due to the current system settings."sv;
 
 bool TabDarkMode::is_active()
diff --git a/foo_ui_columns/vis_spectrum.cpp b/foo_ui_columns/vis_spectrum.cpp
index ea0105100..cc0d8eefb 100644
--- a/foo_ui_columns/vis_spectrum.cpp
+++ b/foo_ui_columns/vis_spectrum.cpp
@@ -514,23 +514,28 @@ void SpectrumAnalyserVisualisation::get_name(pfc::string_base& out) const
 
 void SpectrumAnalyserVisualisation::set_config(stream_reader* r, size_t p_size, abort_callback& p_abort)
 {
-    if (p_size) {
-        const auto legacy_foreground = r->read_lendian_t<COLORREF>(p_abort);
-        const auto legacy_background = r->read_lendian_t<COLORREF>(p_abort);
+    if (!p_size) {
+        has_migrated_spectrum_analyser_colours = true;
+        return;
+    }
 
-        migrate_spectrum_analyser_colours(legacy_foreground, legacy_background);
+    const auto legacy_foreground = r->read_lendian_t<COLORREF>(p_abort);
+    const auto legacy_background = r->read_lendian_t<COLORREF>(p_abort);
 
-        r->read_lendian_t(mode, p_abort);
-        try {
-            r->read_lendian_t(m_scale, p_abort);
-            r->read_lendian_t(m_vertical_scale, p_abort);
-        } catch (const exception_io_data_truncation&) {
-        }
+    migrate_spectrum_analyser_colours(legacy_foreground, legacy_background);
+
+    r->read_lendian_t(mode, p_abort);
+    try {
+        r->read_lendian_t(m_scale, p_abort);
+        r->read_lendian_t(m_vertical_scale, p_abort);
+    } catch (const exception_io_data_truncation&) {
     }
 }
 
 void SpectrumAnalyserVisualisation::get_config(stream_writer* data, abort_callback& p_abort) const
 {
+    has_migrated_spectrum_analyser_colours = true;
+
     colours::helper colours(colour_client_id);
 
     data->write_lendian_t(colours.get_colour(colours::colour_text), p_abort);