diff --git a/resources/themes/cura/theme.json b/resources/themes/cura/theme.json
index 63e04c6e6e..52f4fbcd47 100644
--- a/resources/themes/cura/theme.json
+++ b/resources/themes/cura/theme.json
@@ -65,6 +65,7 @@
         "text_hover": [35, 35, 35, 255],
         "text_pressed": [12, 169, 227, 255],
 
+        "error": [255, 140, 0, 255],
         "sidebar_header_bar": [12, 169, 227, 255],
 
         "button": [139, 143, 153, 255],