diff --git a/projects/test_suite/test_suite.c b/projects/test_suite/test_suite.c
index bf1afd7a3c..5cfba74eb9 100644
--- a/projects/test_suite/test_suite.c
+++ b/projects/test_suite/test_suite.c
@@ -29,11 +29,13 @@ void shell_putchar(int c) {
 }
 
 void mutex_trylock_fail(char* cmdline);
+void test_thread_sleep(char* line);
 
 const shell_command_t shell_commands[] = {
     {"start_test", print_teststart},
     {"end_test", print_testend},
     {"mutex_trylock_fail", mutex_trylock_fail},
+    {"thread_sleep", test_thread_sleep},
     {NULL, NULL}
 };