diff --git a/tests/parser/LexerTests.cpp b/tests/parser/LexerTests.cpp
index 12181b7..763be63 100644
--- a/tests/parser/LexerTests.cpp
+++ b/tests/parser/LexerTests.cpp
@@ -8,14 +8,16 @@ TEST_CASE( "When at end of script return terminator", "[lexer]" ) {
 }
 
 TEST_CASE( "Peek doesn't advance", "[lexer]" ) {
-    Lexer lexer = Lexer("5 + 5", nullptr);
+    auto script = "5 + 5";
+    Lexer lexer = Lexer(script, nullptr);
     REQUIRE(lexer.Peek() == '5');
     REQUIRE(lexer.Peek() == '5');
     REQUIRE(lexer.Peek() == '5');
 }
 
 TEST_CASE( "Next does advance", "[lexer]" ) {
-    Lexer lexer = Lexer("5 + 5", nullptr);
+    auto script = "5 + 5";
+    Lexer lexer = Lexer(script, nullptr);
     REQUIRE(lexer.Next() == '5');
     REQUIRE(lexer.Next() == ' ');
     REQUIRE(lexer.Next() == '+');