diff --git a/Include/Aurora/Parse/LineParser.hpp b/Include/Aurora/Parse/LineParser.hpp
index 780d7731..1f4cb168 100644
--- a/Include/Aurora/Parse/LineParser.hpp
+++ b/Include/Aurora/Parse/LineParser.hpp
@@ -13,9 +13,9 @@ namespace Aurora::Parse
     {
         AuMach index = 0, startIdx = 0;
 
-        while ((index = in.find("\n"), startIdx) != AuString::npos)
+        while ((index = in.find("\n", startIdx)) != AuString::npos)
         {
-            auto line = in.substr(0, index);
+            auto line = in.substr(startIdx, index - startIdx);
             startIdx  = index + 1;
 
             if (line[line.size() - 1] == '\r')