diff --git a/main.cpp b/main.cpp
index a1329f8..94304da 100644
--- a/main.cpp
+++ b/main.cpp
@@ -21,6 +21,7 @@ std::string folder_char = "\\";
 #else
 std::string folder_char = "/";
 #endif
+std::string loaded_section = "";
 
 std::vector<std::string> exclude;
 std::vector<std::string> keys = {"libs", "cppflags", "executable", "sourcepath", "buildpath", "exclude"};
@@ -174,7 +175,7 @@ bool loadLagueirtoFile(const std::string &section_to_load)
             if (rest == "default") found_default = true;
             if (section_to_load.empty() && rest == "default") active = true;
             else active = (current_section == section_to_load);
-
+            if (active) loaded_section = current_section;
             continue;
         }
 
@@ -445,14 +446,29 @@ int main(int argc, char *argv[])
         exit(1);
     }
 
+    std::string last_config_file = build_path + folder_char + "last_config";
+    if (!std::filesystem::exists(last_config_file)) {
+        must_recompile_all = true;
+    } else {
+        std::ifstream in(last_config_file);
+        if (in) {
+            std::string word;
+            in >> word;
+            if (word != loaded_section) must_recompile_all = true;
+        }
+    }
+
     if (must_recompile_all) {
         std::cout << "remove: '" << build_path << "'" << std::endl;
         std::filesystem::remove_all(build_path);
     }
 
+    if (!std::filesystem::is_directory(build_path)) std::filesystem::create_directory(build_path);
+    std::ofstream out(last_config_file);
+    if (out) out << loaded_section;
+
     std::chrono::steady_clock::time_point begin_all = std::chrono::steady_clock::now();
 
-    if (!std::filesystem::is_directory(build_path)) std::filesystem::create_directory(build_path);
     source_paths = split(source_path);
 
     // Recopilem tots els arxius cpp i capçaleres
diff --git a/version.h b/version.h
index 5b14988..0f9bd14 100644
--- a/version.h
+++ b/version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define LAGUEIRTO_VERSION "2.0.1"
+#define LAGUEIRTO_VERSION "2.0.2"