diff --git a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift
index a41e7915..161cedf7 100644
--- a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift
+++ b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift
@@ -54,7 +54,7 @@ public extension vChewingLM {
       if dropPreviousConnection { disconnectSQLDB() }
       vCLog("Establishing SQLite connection to: \(dbPath)")
       guard sqlite3_open(dbPath, &Self.ptrSQL) == SQLITE_OK else { return false }
-      guard "PRAGMA journal_mode = MEMORY;".runAsSQLExec(dbPointer: &ptrSQL) else { return false }
+      guard "PRAGMA journal_mode = OFF;".runAsSQLExec(dbPointer: &ptrSQL) else { return false }
       isSQLDBConnected = true
       return true
     }