diff --git a/src/3rdparty/squirrel/squirrel/sqvm.cpp b/src/3rdparty/squirrel/squirrel/sqvm.cpp
index 1637c359f3..8c1d3cae5d 100644
--- a/src/3rdparty/squirrel/squirrel/sqvm.cpp
+++ b/src/3rdparty/squirrel/squirrel/sqvm.cpp
@@ -1285,8 +1285,8 @@ bool SQVM::FallBackGet(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPt
 		if(sq_isnumeric(key)){
 			SQInteger n=tointeger(key);
 			std::string_view str = _stringval(self);
-			if(std::abs(n) < static_cast<SQInteger>(str.size())){
-				if(n<0)n=str.size()+n;
+			if (n < 0) n = str.size() + n;
+			if (n >= 0 && n < static_cast<SQInteger>(str.size())) {
 				dest=SQInteger(str[n]);
 				return true;
 			}