diff --git a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
index 3fd34d5ca1db3ad0cc676f534b2462df7b3c7af7..35f4bef3a1ed8dd3662edb4769b155b68b44902f 100644
--- a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
@@ -190,6 +190,7 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 	@Override
 	public void onConfigure(SQLiteDatabase db) {
 		db.execSQL("PRAGMA foreign_keys=ON");
+		db.execSQL("PRAGMA secure_delete=ON");
 	}
 
 	@Override