diff --git a/rtdata/themes/RawTherapee-GTK3-_19.css b/rtdata/themes/RawTherapee-GTK3-_19.css
index 8d549f8bf..a796b60a1 100644
--- a/rtdata/themes/RawTherapee-GTK3-_19.css
+++ b/rtdata/themes/RawTherapee-GTK3-_19.css
@@ -520,6 +520,6 @@ GtkToggleButton.button.text-button:checked {
     background-image: linear-gradient(to bottom, rgba(30,30,30,.3), rgba(0,0,0,.4));
 }
 
-GtkToggleButton.text-button:hover:checked {
+GtkToggleButton.button.text-button:hover:checked {
     background-image: linear-gradient(to bottom, rgba(48,48,48,.3), rgba(0,0,0,.3));
 }