diff --git a/include/ss/splitter.hpp b/include/ss/splitter.hpp
index f72b1e8..beafa4c 100644
--- a/include/ss/splitter.hpp
+++ b/include/ss/splitter.hpp
@@ -201,7 +201,7 @@ private:
     void shift_and_set_current() {
         if constexpr (!is_const_line) {
             if (escaped_ > 0) {
-                std::copy_n(curr_ + escaped_, end_ - curr_, curr_);
+                std::copy_n(curr_ + escaped_, end_ - curr_ - escaped_, curr_);
                 curr_ = end_ - escaped_;
                 return;
             }