diff --git a/rtgui/paramsedited.h b/rtgui/paramsedited.h
index 57a3ea1cd..27f9ac9cc 100644
--- a/rtgui/paramsedited.h
+++ b/rtgui/paramsedited.h
@@ -371,7 +371,7 @@ struct SHParamsEdited {
 
 struct ToneEqualizerParamsEdited {
     bool enabled;
-    std::array<bool, 5> bands;
+    std::array<bool, 6> bands;
     bool regularization;
     bool show_colormap;
     bool pivot;