diff --git a/platformio/ide/tpls/clion/CMakeListsPrivate.txt.tpl b/platformio/ide/tpls/clion/CMakeListsPrivate.txt.tpl
index 7967881e..f96163fb 100644
--- a/platformio/ide/tpls/clion/CMakeListsPrivate.txt.tpl
+++ b/platformio/ide/tpls/clion/CMakeListsPrivate.txt.tpl
@@ -59,6 +59,7 @@ endif()
 
 % leftover_envs = set(envs) ^ set([env_name])
 %
+% ide_data = {}
 % if leftover_envs:
 %   ide_data = load_project_ide_data(project_dir, leftover_envs)
 % end