diff --git a/main.cpp b/main.cpp
index 195bc35..bf9a792 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,8 +2,8 @@
 #include <iostream>
 
 int main(int argc, char** argv) {
-    Dart::Reader reader("/Users/selim/Documents/libapp.so");
-    auto snapshot = reader.getSnapshot(Dart::DartSnapshot::VM_DATA);
+    Dart::Reader reader(argv[1]);
+    auto snapshot = reader.getSnapshot(Dart::DartSnapshot::ISOLATE_DATA);
 
     std::cout << "Snapshot kind: " << snapshot.kindString() << std::endl;
     std::cout << "Size: " << snapshot.size() << std::endl;