diff --git a/src/openrct2/rct12/RCT12.cpp b/src/openrct2/rct12/RCT12.cpp
index ccdfd7ab65..1cc8be764c 100644
--- a/src/openrct2/rct12/RCT12.cpp
+++ b/src/openrct2/rct12/RCT12.cpp
@@ -874,12 +874,12 @@ namespace OpenRCT2::RCT12
 {
     size_t GetRCTStringBufferLen(const char* buffer, size_t maxBufferLen)
     {
-        constexpr char MULTIBYTE = static_cast<char>(255);
+        constexpr char kMultibyte = static_cast<char>(255);
         size_t len = 0;
         for (size_t i = 0; i < maxBufferLen; i++)
         {
             auto ch = buffer[i];
-            if (ch == MULTIBYTE)
+            if (ch == kMultibyte)
             {
                 i += 2;