diff --git a/.gitignore b/.gitignore
index 7e5973e0b9c5ebba608520ecc0add3ba5174568b..bd0ebcebcc9e3f9b062d3c9a0a73c030fb099469 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,5 @@ user.props
 
 #ctags
 tags
+
+sdkconfig.old