diff --git a/Source/Modules/IMEModules/IME.swift b/Source/Modules/IMEModules/IME.swift
index 327a78c5..ada3262d 100644
--- a/Source/Modules/IMEModules/IME.swift
+++ b/Source/Modules/IMEModules/IME.swift
@@ -125,7 +125,9 @@ public enum IME {
   // MARK: - Open a phrase data file.
 
   static func openPhraseFile(fromURL url: URL) {
-    openPhraseFile(userFileAt: url.path)
+    DispatchQueue.main.async {
+      openPhraseFile(userFileAt: url.path)
+    }
   }
 
   static func openPhraseFile(userFileAt path: String) {