diff --git a/platformio/ide/projectgenerator.py b/platformio/ide/projectgenerator.py
index f5f46791..9007a06a 100644
--- a/platformio/ide/projectgenerator.py
+++ b/platformio/ide/projectgenerator.py
@@ -120,7 +120,8 @@ class ProjectGenerator(object):
             "user_home_dir": abspath(expanduser("~")),
             "project_dir": self.project_dir,
             "systype": util.get_systype(),
-            "platformio_path": util.where_is_program("platformio"),
+            "platformio_path": self._fix_os_path(
+                util.where_is_program("platformio")),
             "env_pathsep": os.pathsep,
             "env_path": self._fix_os_path(os.getenv("PATH"))
         })