diff --git a/platformio/exception.py b/platformio/exception.py
index 63cb3aa0..4afc69ee 100644
--- a/platformio/exception.py
+++ b/platformio/exception.py
@@ -63,7 +63,7 @@ class FDSHASumMismatch(PlatformioException):
 
 class NotPlatformProject(PlatformioException):
 
-    MESSAGE = "Not a PlatformIO project. Use `platformio init` command"
+    MESSAGE = "Not a PlatformIO project (%s). Use `platformio init` command"
 
 
 class UndefinedEnvPlatform(PlatformioException):
diff --git a/platformio/util.py b/platformio/util.py
index 2dd957c8..7d2e8c1b 100644
--- a/platformio/util.py
+++ b/platformio/util.py
@@ -79,7 +79,7 @@ def get_pioenvs_dir():
 def get_project_config():
     path = join(get_project_dir(), "platformio.ini")
     if not isfile(path):
-        raise NotPlatformProject()
+        raise NotPlatformProject(get_project_dir())
     cp = ConfigParser()
     cp.read(path)
     return cp