diff --git a/reactos/apps/tests/mutex/mutex.c b/reactos/apps/tests/mutex/mutex.c
index 0026880b554..79004c2b103 100644
--- a/reactos/apps/tests/mutex/mutex.c
+++ b/reactos/apps/tests/mutex/mutex.c
@@ -50,6 +50,8 @@ DWORD WINAPI thread1(LPVOID crap)
       ReleaseMutex(hMutex);
     }
 
+  dprintf("Thread 1 done!\n");
+
   return 1;
 }
 
@@ -78,6 +80,8 @@ DWORD WINAPI thread2(LPVOID crap)
       ReleaseMutex(hMutex);
     }
 
+  dprintf("Thread 2 done!\n");
+
   return 1;
 }