diff --git a/src/fenrir/core/inputManager.py b/src/fenrir/core/inputManager.py
index ed3d4445..0d11f6e2 100644
--- a/src/fenrir/core/inputManager.py
+++ b/src/fenrir/core/inputManager.py
@@ -115,8 +115,12 @@ class inputManager():
         try:
             if self.env['runtime']['settingsManager'].getSettingAsBool('keyboard', 'grabDevices'):
                 self.env['runtime']['inputDriver'].writeEventBuffer()
-            time.sleep(0.005)
+            
+            time.sleep(0.008)
             self.clearEventBuffer()
+            if len(self.env['input']['currInput']) == 1:              
+                if self.env['input']['currInput'][0] in ['KEY_UP','KEY_DOWN']:              
+                    time.sleep(0.08)            
         except Exception as e:
             self.env['runtime']['debug'].writeDebugOut("Error while writeUInput",debug.debugLevel.ERROR)
             self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)