diff --git a/src/main.cpp b/src/main.cpp
index c95e2e1..0ccfeb8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -16,7 +16,7 @@ int main(int argc, char* argv[]) {
     bool newLines = true;
 
     if (argc > 0) {
-        vector<string_view> files;
+        set<string_view> files;
         for (signed int i = 0; i < argc; ++i)
         {
             const string_view currentArg (argv[i]);
@@ -28,7 +28,7 @@ int main(int argc, char* argv[]) {
             }
             else if (currentArg == Argument("parallel")) parallel = true;
             else if (currentArg == Argument("newlinesoff")) newLines = false;
-            else if (currentArg.ends_with(".ybcon")) files.push_back(currentArg);
+            else if (currentArg.ends_with(".ybcon")) files.insert(currentArg);
         }
         const auto compile = [&target, &newLines](string_view name) -> string {
             string transpiledString = transpile(parseString(getFileContent(name.data())), target, newLines);
@@ -39,10 +39,9 @@ int main(int argc, char* argv[]) {
             return transpiledString;
         };
         if (!files.empty()) {
-            const set<string_view> uniqueFiles(files.begin(), files.end());
             vector<future<pair<string, optional<Yerbacon::Exception>>>> Units;
             const launch& Policy = not parallel ? launch::deferred : launch::async;
-            for (const string_view& fileName: uniqueFiles) {
+            for (const string_view& fileName: files) {
                 pair<string, optional<Yerbacon::Exception>> returnedPair;
                 Units.push_back(async(Policy, [&returnedPair, &fileName, &compile]() {
                     try {