diff --git a/.gitignore b/.gitignore
index 9c207a919..133c5eb8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@ src/Handler/Assist.bak
 src/Handler/Course.SnapCustom.hs
 *.orig
 /instance
+backend/instance
 .stack-work-*
 .stack-work.lock
 .directory