diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8b705a..7fbd3e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,3 +1,5 @@
+# This file was generated automatically by cmkr.
+
 cmake_minimum_required(VERSION 3.14)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
diff --git a/src/cmake.cpp b/src/cmake.cpp
index a4c88ae..840bac8 100644
--- a/src/cmake.cpp
+++ b/src/cmake.cpp
@@ -11,7 +11,7 @@ namespace cmkr::cmake {
 namespace detail {
 std::vector<std::string> to_string_vec(
     const std::vector<toml::basic_value<toml::discard_comments, std::unordered_map, std::vector>>
-        vals) {
+        &vals) {
     std::vector<std::string> temp;
     for (const auto &val : vals)
         temp.push_back(val.as_string());
@@ -23,8 +23,8 @@ CMake::CMake(const std::string &path, bool build) {
     if (!fs::exists(fs::path(path) / "cmake.toml")) {
         throw std::runtime_error("No cmake.toml was found!");
     }
+    const auto toml = toml::parse(fs::path(path) / "cmake.toml");
     if (build) {
-        const auto toml = toml::parse("cmake.toml");
         if (toml.contains("cmake")) {
             const auto &cmake = toml::find(toml, "cmake");
 
@@ -41,7 +41,6 @@ CMake::CMake(const std::string &path, bool build) {
             }
         }
     } else {
-        const auto toml = toml::parse((fs::path(path) / "cmake.toml").string());
         if (toml.contains("cmake")) {
             const auto &cmake = toml::find(toml, "cmake");
             cmake_version = toml::find(cmake, "minimum").as_string();
diff --git a/src/gen.cpp b/src/gen.cpp
index 54128e6..73c136f 100644
--- a/src/gen.cpp
+++ b/src/gen.cpp
@@ -22,7 +22,7 @@ inline std::string to_upper(const std::string &str) {
     std::string temp;
     temp.reserve(str.size());
     for (auto c : str) {
-        temp.push_back(toupper(c));
+        temp.push_back(::toupper(c));
     }
     return temp;
 }
@@ -76,7 +76,8 @@ int generate_cmake(const char *path) {
     if (fs::exists(fs::path(path) / "cmake.toml")) {
         cmake::CMake cmake(path, false);
         std::stringstream ss;
-
+        ss << "# This file was generated automatically by cmkr.\n\n";
+        
         if (!cmake.cmake_version.empty()) {
             ss << "cmake_minimum_required(VERSION " << cmake.cmake_version << ")\n\n";