diff --git a/src/PrintQueue.cpp b/src/PrintQueue.cpp
index 9b91fdd..f2b7c70 100644
--- a/src/PrintQueue.cpp
+++ b/src/PrintQueue.cpp
@@ -80,22 +80,22 @@ size_t PrintQueue::getMapped(const int pageNo)
 
 void PrintQueue::processOrderingRule(const std::string& line)
 {
-    auto pos{ line.find("|") };
-    auto before{ std::stoi(line.substr(0, pos)) };
-    auto after{ std::stoi(line.substr(pos + 1)) };
+    size_t pos{ line.find("|") };
+    int before{ std::stoi(line.substr(0, pos)) };
+    int after{ std::stoi(line.substr(pos + 1)) };
     orderingRules_[getMapped(before)][getMapped(after)] = true;
 }
 
 void PrintQueue::processUpdatePages(const std::string& line)
 {
-    std::vector<size_t> pages{};
+    std::vector<int> pages{};
     std::stringstream stream{ line };
     std::string token;
-    auto isCorrectOrder{ true };
+    bool isCorrectOrder{ true };
     // We completely construct 'pages' for part 2, even if the ordering is not correct.
     while (std::getline(stream, token, ','))
     {
-        size_t page = std::stoi(token);
+        int page = std::stoi(token);
         size_t i{ 0 };
         while (isCorrectOrder && i < pages.size())
         {