1 files changed, 2 insertions, 3 deletions
diff --git a/source/core/slang-string-escape-util.cpp b/source/core/slang-string-escape-util.cpp
index ffc43a7cb..513908c4c 100644
--- a/source/core/slang-string-escape-util.cpp
+++ b/source/core/slang-string-escape-util.cpp
@@ -351,8 +351,7 @@ SlangResult CppStringEscapeHandler::appendUnescaped(const UnownedStringSlice& sl
                     const Index maxUtf8EncodeCount = 6;
 
                     char* chars = out.prepareForAppend(maxUtf8EncodeCount);
-
-                    int numChars = EncodeUnicodePointToUTF8(chars, int(value));
+                    int numChars = encodeUnicodePointToUTF8(Char32(value), chars);
                     out.appendInPlace(chars, numChars);
 
                     start = cur;
@@ -812,7 +811,7 @@ SlangResult JSONStringEscapeHandler::appendUnescaped(const UnownedStringSlice& s
                     // Need to encode in UTF8 to concat
 
                     char buf[8];
-                    int len = EncodeUnicodePointToUTF8(buf, value);
+                    int len = encodeUnicodePointToUTF8(Char32(value), buf);
 
                     out.append(buf, buf + len);