diff --git a/sys/net/application_layer/cord/ep/cord_ep_standalone.c b/sys/net/application_layer/cord/ep/cord_ep_standalone.c
index de2a58e405fcceea32904e187f0894f454899934..1031453c9f6dca97ce57c59448a6f43268ca828c 100644
--- a/sys/net/application_layer/cord/ep/cord_ep_standalone.c
+++ b/sys/net/application_layer/cord/ep/cord_ep_standalone.c
@@ -87,7 +87,8 @@ static void *_reg_runner(void *arg)
 
 void cord_ep_standalone_run(void)
 {
-    thread_create(_stack, sizeof(_stack), PRIO, 0, _reg_runner, NULL, TNAME);
+    thread_create(_stack, sizeof(_stack), PRIO, THREAD_CREATE_STACKTEST,
+                  _reg_runner, NULL, TNAME);
 }
 
 void cord_ep_standalone_signal(bool connected)
diff --git a/sys/net/application_layer/cord/epsim/cord_epsim_standalone.c b/sys/net/application_layer/cord/epsim/cord_epsim_standalone.c
index 98f0eaa662ed217eb105db4f001d088384fdde57..c4472e230a2d80669d95327fa8913363965f2549 100644
--- a/sys/net/application_layer/cord/epsim/cord_epsim_standalone.c
+++ b/sys/net/application_layer/cord/epsim/cord_epsim_standalone.c
@@ -53,6 +53,7 @@ static void *reg_runner(void *arg)
 #ifdef MODULE_CORD_EPSIM_STANDALONE
 void cord_epsim_run(void)
 {
-    thread_create(_stack, sizeof(_stack), PRIO, 0, reg_runner, NULL, TNAME);
+    thread_create(_stack, sizeof(_stack), PRIO, THREAD_CREATE_STACKTEST,
+                  reg_runner, NULL, TNAME);
 }
 #endif