diff --git a/src/sanctuary/tsconfig.json b/src/sanctuary/tsconfig.json
index ffb0e4e90..0a887a2a4 100644
--- a/src/sanctuary/tsconfig.json
+++ b/src/sanctuary/tsconfig.json
@@ -1,6 +1,6 @@
 {
 	"extends": "../../tsconfig.json",
-  "compilerOptions": {
+	"compilerOptions": {
 		"target": "esnext",
 		"strictNullChecks": true
   }