diff --git a/vlib/v/slow_tests/inout/thread_uninitialized_err.out b/vlib/v/slow_tests/inout/thread_uninitialized_err.out
new file mode 100644
index 00000000000000..fa8f62c5c009b4
--- /dev/null
+++ b/vlib/v/slow_tests/inout/thread_uninitialized_err.out
@@ -0,0 +1,2 @@
+================ V panic ================
+V panic: unable to join thread
\ No newline at end of file
diff --git a/vlib/v/slow_tests/inout/thread_uninitialized_err.vv b/vlib/v/slow_tests/inout/thread_uninitialized_err.vv
new file mode 100644
index 00000000000000..131f2d61c1bc80
--- /dev/null
+++ b/vlib/v/slow_tests/inout/thread_uninitialized_err.vv
@@ -0,0 +1,10 @@
+struct Client {
+mut:
+	network_thread thread
+}
+
+fn main() {
+	mut client := &Client{}
+	println('================ V panic ================')
+	client.network_thread.wait()
+}