1 files changed, 4 insertions, 1 deletions

diff --git a/packages/main/src/reactions/synchronizeConfig.ts b/packages/main/src/reactions/synchronizeConfig.ts
index 4a9c24b..9436c16 100644
--- a/packages/main/src/reactions/synchronizeConfig.ts
+++ b/packages/main/src/reactions/synchronizeConfig.ts
@@ -58,6 +58,9 @@ export default async function synchronizeConfig(
         return true;
       }
       lastConfigOnDisk = sharedStore.config;
+      // We can't use `comparer.structural` from `mobx`, because
+      // it handles missing values and `undefined` values differently,
+      // but JSON5 is unable to distinguish them.
       if (!deepEqual(result.data, lastConfigOnDisk, { strict: true })) {
         await writeConfig();
       }
@@ -75,7 +78,7 @@ export default async function synchronizeConfig(
     () => sharedStore.config,
     debounce((config) => {
       // We can compare snapshots by reference, since it is only recreated on store changes.
-      if (lastConfigOnDisk !== config) {
+      if (!deepEqual(config, lastConfigOnDisk, { strict: true })) {
         writeConfig().catch((error) => {
           log.error('Failed to write config on config change', error);
         });