diff --git a/cli/main.cpp b/cli/main.cpp
index efc6b19..5e5895a 100644
--- a/cli/main.cpp
+++ b/cli/main.cpp
@@ -10,7 +10,11 @@ int main(int argc, char** argv) {
     }
     std::chrono::high_resolution_clock::time_point start = std::chrono::high_resolution_clock::now();
     camellya::State state;
-    state.do_file(argv[1]);
+    bool success = state.do_file(argv[1]);
+    if (!success) {
+        std::cerr << "Error: " << state.get_error() << std::endl;
+        return 1;
+    }
     std::chrono::high_resolution_clock::time_point end = std::chrono::high_resolution_clock::now();
     std::chrono::duration<double> duration = end - start;
     std::cout << std::format("Execution completed in {} seconds. \n", duration.count()) << std::endl;