diff --git a/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c b/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
index 5693ea0fa3..fa126c0a95 100644
--- a/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
+++ b/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
@@ -233,14 +233,13 @@ int button_read_device(void)
     CCU_IO &= ~(1<<12);
 
     GPIOB_PIN(0) = 1<<0;
-    udelay(1);
+    for(delay = 500; delay; delay--)
+        nop;
 
     gpiod6 = GPIOD_PIN(6);
 
     GPIOB_PIN(0) = 0;
 
-    udelay(1);
-
     if (GPIOC_PIN(1) & 1<<1)
         btn |= BUTTON_DOWN;
     if (GPIOC_PIN(2) & 1<<2)