diff --git a/src/compiler/compile/Component.ts b/src/compiler/compile/Component.ts
index 5985d75ca8..2569820464 100644
--- a/src/compiler/compile/Component.ts
+++ b/src/compiler/compile/Component.ts
@@ -804,7 +804,7 @@ export default class Component {
 								: module_scope && module_scope.has(name)
 						) {
 							const variable = component.var_lookup.get(name);
-							variable[deep ? "mutated" : "reassigned"] = true;
+							variable[deep ? 'mutated' : 'reassigned'] = true;
 						}
 					});
 				}