1 files changed, 2 insertions, 1 deletions
diff --git a/src/qml/parser/qqmljslexer.cpp b/src/qml/parser/qqmljslexer.cpp
index 28f4684649..704c7eb00d 100644
--- a/src/qml/parser/qqmljslexer.cpp
+++ b/src/qml/parser/qqmljslexer.cpp
@@ -368,7 +368,8 @@ uint Lexer::decodeUnicodeEscapeCharacter(bool *ok)
 {
     Q_ASSERT(_state.currentChar == u'u');
     scanChar(); // skip u
-    if (_codePtr + 4 <= _endPtr && isHexDigit(_state.currentChar)) {
+    constexpr int distanceFromFirstHexToLastHex = 3;
+    if (_codePtr + distanceFromFirstHexToLastHex <= _endPtr && isHexDigit(_state.currentChar)) {
         uint codePoint = 0;
         for (int i = 0; i < 4; ++i) {
             int digit = hexDigit(_state.currentChar);