diff --git a/platformio/project/helpers.py b/platformio/project/helpers.py
index 3c1e1b37..c41744a1 100644
--- a/platformio/project/helpers.py
+++ b/platformio/project/helpers.py
@@ -141,10 +141,11 @@ def load_project_ide_data(project_dir, env_or_envs, cache=False):
     if not isinstance(env_names, list):
         env_names = [env_names]
 
-    result = _load_cached_project_ide_data(project_dir, env_names) if cache else {}
-    missed_env_names = set(env_names) - set(result.keys())
-    if missed_env_names:
-        result.update(_load_project_ide_data(project_dir, missed_env_names))
+    with fs.cd(project_dir):
+        result = _load_cached_project_ide_data(project_dir, env_names) if cache else {}
+        missed_env_names = set(env_names) - set(result.keys())
+        if missed_env_names:
+            result.update(_load_project_ide_data(project_dir, missed_env_names))
 
     if not isinstance(env_or_envs, list) and env_or_envs in result:
         return result[env_or_envs]