diff --git a/src/script/squirrel.cpp b/src/script/squirrel.cpp
--- a/src/script/squirrel.cpp
+++ b/src/script/squirrel.cpp
@@ -256,7 +256,7 @@ void Squirrel::RunError(HSQUIRRELVM vm, 
 
 SQInteger Squirrel::_RunError(HSQUIRRELVM vm)
 {
-	const SQChar *sErr = 0;
+	const SQChar *sErr = nullptr;
 
 	if (sq_gettop(vm) >= 1) {
 		if (SQ_SUCCEEDED(sq_getstring(vm, -1, &sErr))) {