diff --git a/src/read_input.cpp b/src/read_input.cpp
index f042205..c821689 100644
--- a/src/read_input.cpp
+++ b/src/read_input.cpp
@@ -74,8 +74,8 @@ void graph::read(std::string filename) {
 
 std::vector<int> stovi (const std::string &s) {
    // Create the number classifier
-   std::regex breaker("[0-9]+");
-   std::sregex_token_iterator first{s.begin(), s.end(), breaker, 0}, last;
+   std::regex pattern("[0-9]+");
+   std::sregex_token_iterator first{s.begin(), s.end(), pattern, 0}, last;
    // Match the numbers
    std::vector<int> res;
    for (auto i = first; i != last; ++i) res.push_back(atoi(i->str().c_str()));