diff --git a/CHANGELOG b/CHANGELOG
index 3dc7731..ab5768c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 2.0.0b7
  - fix: disable close buttons of MDI subwindows on macOS (#29)
  - fix: allow Shift+click on plot matrix element
+ - fix: support temperature key (dclab 0.19.1.post2)
 2.0.0b6
  - ref: move custom widgets to separate submodule (#24)
  - fix: bad alignment when selecting "Plot" in QuickView (#31)
diff --git a/shapeout2/gui/analysis/ana_meta.py b/shapeout2/gui/analysis/ana_meta.py
index c2c034d..b0fb8d8 100644
--- a/shapeout2/gui/analysis/ana_meta.py
+++ b/shapeout2/gui/analysis/ana_meta.py
@@ -105,7 +105,7 @@ def format_config_key_value(section, key, value):
         if dckey == key:
             break
     else:
-        raise ValueError("Unknwon key: [{}]: {}".format(section, key))
+        raise KeyError("Unknwon key [{}]: {}".format(section, key))
     tip = ""
     # Value formatting
     if dctype == float:  # pretty-print floats