diff --git a/Ast/include/Luau/Lexer.h b/Ast/include/Luau/Lexer.h
index 57877454..d6fe24f8 100644
--- a/Ast/include/Luau/Lexer.h
+++ b/Ast/include/Luau/Lexer.h
@@ -173,7 +173,7 @@ public:
     void setSkipComments(bool skip);
     void setReadNames(bool read);
 
-    const Lexeme nextInterpolatedString();
+    const Lexeme& nextInterpolatedString();
 
     const Location& previousLocation() const
     {
diff --git a/Ast/src/Lexer.cpp b/Ast/src/Lexer.cpp
index 093f10c1..c4443c90 100644
--- a/Ast/src/Lexer.cpp
+++ b/Ast/src/Lexer.cpp
@@ -587,7 +587,7 @@ Lexeme Lexer::readQuotedString()
     return Lexeme(Location(start, position()), Lexeme::QuotedString, &buffer[startOffset], offset - startOffset - 1);
 }
 
-const Lexeme Lexer::nextInterpolatedString()
+const Lexeme& Lexer::nextInterpolatedString()
 {
     Position start = position();
     unsigned int startOffset = offset;