diff --git a/apps/bttester/syscfg.yml b/apps/bttester/syscfg.yml
index 68a60f6a2..83eea8cef 100644
--- a/apps/bttester/syscfg.yml
+++ b/apps/bttester/syscfg.yml
@@ -116,6 +116,7 @@ syscfg.vals:
     BLE_SVC_GAP_PPCP_SUPERVISION_TMO: 2000
     BLE_SVC_GAP_APPEARANCE_WRITE_PERM: 0
     BLE_SVC_GAP_DEVICE_NAME_WRITE_PERM: 0
+    BLE_SVC_GAP_DEVICE_NAME_MAX_LENGTH: 6
     BLE_STORE_CONFIG_PERSIST: 0
 
     BLE_MESH: 1