diff --git a/features/nanostack/nanostack-interface/Nanostack.cpp b/features/nanostack/nanostack-interface/Nanostack.cpp
index 8f14214e06..c4e3982e47 100644
--- a/features/nanostack/nanostack-interface/Nanostack.cpp
+++ b/features/nanostack/nanostack-interface/Nanostack.cpp
@@ -116,7 +116,7 @@ nsapi_error_t map_mesh_error(mesh_error_t err)
         case MESH_ERROR_PARAM:
             return NSAPI_ERROR_PARAMETER;
         case MESH_ERROR_STATE:
-            return NSAPI_ERROR_DEVICE_ERROR;
+            return NSAPI_ERROR_IS_CONNECTED;
         default:
             return NSAPI_ERROR_DEVICE_ERROR;
     }