diff --git a/utils/hwstub/tools/lua/zenxfistyle.lua b/utils/hwstub/tools/lua/zenxfistyle.lua
index d4f3ffe162..b66c15135f 100644
--- a/utils/hwstub/tools/lua/zenxfistyle.lua
+++ b/utils/hwstub/tools/lua/zenxfistyle.lua
@@ -51,12 +51,12 @@ function ZENXFISTYLE.lcd_init()
         ZENXFISTYLE.lcd_write(0x11, 7)
         ZENXFISTYLE.lcd_write(0x12, 0)
         ZENXFISTYLE.lcd_write(0x13, 0)
-        -- mdelay(200)
+        hwstub.mdelay(200)
         ZENXFISTYLE.lcd_write(0x10, 0x1490)
         ZENXFISTYLE.lcd_write(0x11, 0x227)
-        -- mdelay(50)
+        hwstub.mdelay(50)
         ZENXFISTYLE.lcd_write(0x12, 0x9c)
-        -- mdelay(50)
+        hwstub.mdelay(50)
         ZENXFISTYLE.lcd_write(0x13, 0xc00)
         ZENXFISTYLE.lcd_write(0x29, 5)
         ZENXFISTYLE.lcd_write(0x2b, 0xc)
@@ -104,12 +104,12 @@ function ZENXFISTYLE.lcd_init()
         ZENXFISTYLE.lcd_write(0x11, 7)
         ZENXFISTYLE.lcd_write(0x12, 0)
         ZENXFISTYLE.lcd_write(0x13, 0)
-        -- mdelay(200)
+        hwstub.mdelay(200)
         ZENXFISTYLE.lcd_write(0x10, 0x1290)
         ZENXFISTYLE.lcd_write(0x11, 0x227)
-        -- mdelay(50)
+        hwstub.mdelay(50)
         ZENXFISTYLE.lcd_write(0x12, 0x9c)
-        -- mdelay(50)
+        hwstub.mdelay(50)
         ZENXFISTYLE.lcd_write(0x13, 0x1f00)
         ZENXFISTYLE.lcd_write(0x29, 0x30)
         ZENXFISTYLE.lcd_write(0x2b, 0xd)
@@ -139,7 +139,7 @@ function ZENXFISTYLE.lcd_init()
         ZENXFISTYLE.lcd_write(0x84, 0)
         ZENXFISTYLE.lcd_write(0x85, 0)
         ZENXFISTYLE.lcd_write(0x2b, 0xd)
-        -- mdelay(50)
+        hwstub.mdelay(50)
         ZENXFISTYLE.lcd_write(0x90, 0x17)
         ZENXFISTYLE.lcd_write(0x92, 0)
         ZENXFISTYLE.lcd_write(0x93, 3)