diff --git a/app/src/full/java/com/topjohnwu/magisk/asyncs/PatchAPK.java b/app/src/full/java/com/topjohnwu/magisk/asyncs/PatchAPK.java
index 9ad2dab7a..a3b3c818c 100644
--- a/app/src/full/java/com/topjohnwu/magisk/asyncs/PatchAPK.java
+++ b/app/src/full/java/com/topjohnwu/magisk/asyncs/PatchAPK.java
@@ -111,6 +111,7 @@ public class PatchAPK {
         repack.delete();
 
         mm.mDB.setStrings(Const.Key.SU_MANAGER, pkg);
+        mm.mDB.flush();
         Data.exportPrefs();
         RootUtils.uninstallPkg(Const.ORIG_PKG_NAME);
 
diff --git a/app/src/full/java/com/topjohnwu/magisk/database/MagiskDatabaseHelper.java b/app/src/full/java/com/topjohnwu/magisk/database/MagiskDatabaseHelper.java
index b30559c19..bbac8a94c 100644
--- a/app/src/full/java/com/topjohnwu/magisk/database/MagiskDatabaseHelper.java
+++ b/app/src/full/java/com/topjohnwu/magisk/database/MagiskDatabaseHelper.java
@@ -57,6 +57,10 @@ public class MagiskDatabaseHelper {
 
     private MagiskDatabaseHelper() {
         pm = Data.MM().getPackageManager();
+        init();
+    }
+
+    private void init() {
         db = openDatabase();
         db.disableWriteAheadLogging();
         int version = Data.magiskVersionCode >= Const.MAGISK_VER.DBVER_SIX ? DATABASE_VER : OLD_DATABASE_VER;
@@ -171,6 +175,11 @@ public class MagiskDatabaseHelper {
                 "(key TEXT, value INT, PRIMARY KEY(key))");
     }
 
+    public void flush() {
+        db.close();
+        init();
+    }
+
     public void clearOutdated() {
         // Clear outdated policies
         db.delete(POLICY_TABLE, Utils.fmt("until > 0 AND until < %d", System.currentTimeMillis() / 1000), null);