diff --git a/example/child.cpp b/example/child.cpp
index df4ad02..7efa7ba 100644
--- a/example/child.cpp
+++ b/example/child.cpp
@@ -9,8 +9,9 @@ void entry(QBiIPC& ipc) {
     ipc.send("Hello world!");
     ipc.send_raw(size_t(1234567890));
 
-    ipc.send("Trying to open file: /etc/passwd");
-    std::ifstream f("/etc/passwd");
+    auto fname = ipc.recv();
+    ipc.send("Trying to open file: "+fname);
+    std::ifstream f(fname);
     if (f.fail()) {
         ipc.send(std::string("Failed: ")+strerror(errno));
     } else {
diff --git a/example/main.cpp b/example/main.cpp
index cae6fca..bdc11d1 100644
--- a/example/main.cpp
+++ b/example/main.cpp
@@ -13,6 +13,7 @@ int main() {
 
     std::cout << ipc.recv() << std::endl
               << ipc.recv_raw<size_t>() << std::endl;
+    ipc.send("/etc/passwd");
     for (std::string line = ""; line != "End."; line = ipc.recv()) {
         if (!line.empty()) {
             std::cout << line << std::endl;