diff --git a/src/renderer/lib/migrations.js b/src/renderer/lib/migrations.js
index ece7125d..74a3f651 100644
--- a/src/renderer/lib/migrations.js
+++ b/src/renderer/lib/migrations.js
@@ -28,6 +28,7 @@ function run (state) {
   if (semver.lt(version, '0.14.0')) migrate_0_14_0(saved)
   if (semver.lt(version, '0.17.0')) migrate_0_17_0(saved)
   if (semver.lt(version, '0.17.2')) migrate_0_17_2(saved)
+  if (semver.lt(version, '0.21.0')) migrate_0_21_0(saved)
 
   // Config is now on the new version
   state.saved.version = config.APP_VERSION
@@ -206,3 +207,10 @@ function migrate_0_17_2 (saved) {
     } catch (err) {}
   }
 }
+
+function migrate_0_21_0 (saved) {
+  if (saved.prefs.soundNotifications == null) {
+    // The app used to always have sound notifications enabled
+    saved.prefs.soundNotifications = true
+  }
+}