diff --git a/Source/Modules/InputHandler_HandleComposition.swift b/Source/Modules/InputHandler_HandleComposition.swift
index 01b9fd35..47ca1e42 100644
--- a/Source/Modules/InputHandler_HandleComposition.swift
+++ b/Source/Modules/InputHandler_HandleComposition.swift
@@ -206,6 +206,7 @@ extension InputHandler {
         var newEmptyState = compositor.isEmpty ? IMEState.ofEmpty() : generateStateOfInputting()
         newEmptyState.tooltip = NSLocalizedString("Wildcard key cannot be the initial key.", comment: "") + "　　"
         newEmptyState.data.tooltipColorState = .redAlert
+        newEmptyState.tooltipDuration = 1.0
         delegate.switchState(newEmptyState)
         return true
       }
diff --git a/Source/Modules/InputHandler_HandleStates.swift b/Source/Modules/InputHandler_HandleStates.swift
index e8ec0a36..b2ce2d4b 100644
--- a/Source/Modules/InputHandler_HandleStates.swift
+++ b/Source/Modules/InputHandler_HandleStates.swift
@@ -160,6 +160,7 @@ extension InputHandler {
       var newState = generateStateOfInputting()
       newState.tooltip = NSLocalizedString(tooltipMessage, comment: "") + "　　"
       newState.data.tooltipColorState = .normal
+      newState.tooltipDuration = 1.85
       delegate.switchState(newState)
       return true
     }
@@ -178,6 +179,7 @@ extension InputHandler {
       var newState = generateStateOfInputting()
       newState.tooltip = NSLocalizedString(tooltipMessage, comment: "") + "　　"
       newState.data.tooltipColorState = .normal
+      newState.tooltipDuration = 1.85
       delegate.switchState(newState)
       return true
     }