diff --git a/esphome/core/__init__.py b/esphome/core/__init__.py
index 2d856d99c5..2a7b8b9d91 100644
--- a/esphome/core/__init__.py
+++ b/esphome/core/__init__.py
@@ -582,7 +582,7 @@ class EsphomeCore:
 
     @property
     def config_dir(self):
-        return os.path.dirname(os.path.abspath(self.config_path))
+        return os.path.abspath(os.path.dirname(self.config_path))
 
     @property
     def data_dir(self):