diff --git a/tests/z_api_matching_test.c b/tests/z_api_matching_test.c
index 02efb6a20..be42c0e38 100644
--- a/tests/z_api_matching_test.c
+++ b/tests/z_api_matching_test.c
@@ -107,7 +107,7 @@ void on_drop(void* context) {
 }
 
 void test_matching_sub(bool background) {
-    printf("test_matching_sub: background=%d\n", background);
+    fprintf(stderr, "test_matching_sub: background=%d\n", background);
 
     context_t context = {0};
     _context_init(&context);
@@ -161,23 +161,30 @@ void test_matching_sub(bool background) {
 
     z_publisher_drop(z_publisher_move(&pub));
 
+    fprintf(stderr, "test_matching_sub 0\n");
     z_sleep_s(10);
     _context_wait(&context, DROP, 10);
 
+    fprintf(stderr, "test_matching_sub 1\n");
     if (!background) {
         z_matching_listener_drop(z_matching_listener_move(&matching_listener));
     }
+    fprintf(stderr, "test_matching_sub 2\n");
 
     z_sleep_s(10);
+    fprintf(stderr, "test_matching_sub \n");
     assert_ok(zp_stop_read_task(z_loan_mut(s1)));
     assert_ok(zp_stop_read_task(z_loan_mut(s2)));
     assert_ok(zp_stop_lease_task(z_loan_mut(s1)));
     assert_ok(zp_stop_lease_task(z_loan_mut(s2)));
 
+    fprintf(stderr, "test_matching_sub 3\n");
     z_session_drop(z_session_move(&s1));
     z_session_drop(z_session_move(&s2));
 
+    fprintf(stderr, "test_matching_sub 4\n");
     _context_drop(&context);
+    fprintf(stderr, "test_matching_sub 5\n");
 }
 
 static void _check_status(z_owned_publisher_t* pub, bool expected) {