diff --git a/ui/style/style_core_font.cpp b/ui/style/style_core_font.cpp
index 05b26d7..a98a59c 100644
--- a/ui/style/style_core_font.cpp
+++ b/ui/style/style_core_font.cpp
@@ -279,7 +279,7 @@ QString MonospaceFont() {
 }
 
 void destroyFonts() {
-	for (auto fontData : fontsMap) {
+	for (auto fontData : std::as_const(fontsMap)) {
 		delete fontData;
 	}
 	fontsMap.clear();