diff --git a/Telegram/SourceFiles/window/themes/window_theme_editor.cpp b/Telegram/SourceFiles/window/themes/window_theme_editor.cpp
index e2cf864ca..3261ae3b7 100644
--- a/Telegram/SourceFiles/window/themes/window_theme_editor.cpp
+++ b/Telegram/SourceFiles/window/themes/window_theme_editor.cpp
@@ -164,6 +164,7 @@ bool isValidColorValue(QLatin1String value) {
 		skipWhitespacesAndComments(data, end);
 		if (data == end) break;
 
+		[[maybe_unused]] auto foundName = base::parse::readName(data, end);
 		skipWhitespacesAndComments(data, end);
 		if (data == end || *data != ':') {
 			return "error";