diff --git a/examples/ccn-lite-client/main.c b/examples/ccn-lite-client/main.c
index 62095e1419..ab6e19b544 100644
--- a/examples/ccn-lite-client/main.c
+++ b/examples/ccn-lite-client/main.c
@@ -42,10 +42,10 @@
 #define RIOT_CCN_APPSERVER (1)
 #define RIOT_CCN_TESTS (0)
 
-char relay_stack[KERNEL_CONF_STACKSIZE_MAIN];
+char relay_stack[KERNEL_CONF_STACKSIZE_PRINTF];
 
 #if RIOT_CCN_APPSERVER
-char appserver_stack[KERNEL_CONF_STACKSIZE_MAIN];
+char appserver_stack[KERNEL_CONF_STACKSIZE_PRINTF];
 #endif
 int relay_pid, appserver_pid;
 
diff --git a/sys/net/ccn_lite/ccnl-riot-compat.c b/sys/net/ccn_lite/ccnl-riot-compat.c
index ffab2090fd..095fb2f80f 100644
--- a/sys/net/ccn_lite/ccnl-riot-compat.c
+++ b/sys/net/ccn_lite/ccnl-riot-compat.c
@@ -33,7 +33,7 @@ radio_packet_t p;
 transceiver_command_t tcmd;
 msg_t mesg, rep;
 
-char relay_helper_stack[KERNEL_CONF_STACKSIZE_PRINTF];
+char relay_helper_stack[KERNEL_CONF_STACKSIZE_MAIN];
 
 int riot_send_transceiver(uint8_t *buf, uint16_t size, uint16_t to)
 {
@@ -97,7 +97,7 @@ void ccnl_riot_relay_helper_start(void);
 
 int riot_start_helper_thread(void)
 {
-    return thread_create(relay_helper_stack, KERNEL_CONF_STACKSIZE_PRINTF, PRIORITY_MAIN - 2, CREATE_STACKTEST, ccnl_riot_relay_helper_start, "relay-helper");
+    return thread_create(relay_helper_stack, KERNEL_CONF_STACKSIZE_MAIN, PRIORITY_MAIN - 2, CREATE_STACKTEST, ccnl_riot_relay_helper_start, "relay-helper");
 }
 
 char *riot_ccnl_event_to_string(int event)