diff --git a/Firmware/sdk/core/include/cardboy/gfx/font16x8.hpp b/Firmware/sdk/core/include/cardboy/gfx/font16x8.hpp
index 8ec0559..8962e64 100644
--- a/Firmware/sdk/core/include/cardboy/gfx/font16x8.hpp
+++ b/Firmware/sdk/core/include/cardboy/gfx/font16x8.hpp
@@ -14,8 +14,6 @@ constexpr unsigned char kFallbackChar = '?';
 
 inline unsigned char normalizeChar(char ch) {
     unsigned char uc = static_cast<unsigned char>(ch);
-    if (uc >= 'a' && uc <= 'z')
-        uc = static_cast<unsigned char>(std::toupper(static_cast<unsigned char>(uc)));
     if (!std::isprint(static_cast<unsigned char>(uc)))
         return kFallbackChar;
     return uc;