diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71fca00e..632aad2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,7 +68,7 @@ if(GIT_FOUND)
       if (upToDate)
         message(STATUS "Submodule '${relative_path}' is up-to-date")
       else()
-        message(FATAL_ERROR "Submodule '${relative_path}' is not using the checked head. Please update all submodules with\ngit submodule update --init --force\nor run cmake with -DMANUAL_SUBMODULES=1,\n or if you want to build from latest master run cmake with -DEV_MODE,\n or run make devmode")
+        message(FATAL_ERROR "Submodule '${relative_path}' is not using the checked head. Please update all submodules with\ngit submodule update --init --force --recursive\nor run cmake with -DMANUAL_SUBMODULES=1,\n or if you want to build from latest master run cmake with -DDEV_MODE=ON,\n or run make devmode")
       endif()
     endfunction ()
     message(STATUS "Checking submodules")