diff --git a/avr/common/wait_50us.asm b/avr/common/wait_50us.asm
index 33c4d41..19ade01 100644
--- a/avr/common/wait_50us.asm
+++ b/avr/common/wait_50us.asm
@@ -18,7 +18,8 @@
 ; @clobbers r22
 
 Utils_WaitFor50MicroSecs:
-    Utils_WaitNanoSecs 50000, 7, r22            ; wait for 50us (minus RCALL and RET)
+    Utils_WaitNanoSecs 25000, 0, r22            ; wait for 25us
+    Utils_WaitNanoSecs 25000, 7, r22            ; wait for 25us (minus RCALL and RET)
     ret
 ; @end