diff --git a/scripts/build_platform_config.py b/scripts/build_platform_config.py
index b6d9c5fac..e9c54232a 100755
--- a/scripts/build_platform_config.py
+++ b/scripts/build_platform_config.py
@@ -236,7 +236,7 @@ else:
   bufferSizeTimer = 4 if board.chip["ram"]<20 else 16
 codeOut("#define IOBUFFERMASK "+str(bufferSizeIO-1)+" // (max 255) amount of items in event buffer - events take ~9 bytes each")
 codeOut("#define TXBUFFERMASK "+str(bufferSizeTX-1)+" // (max 255)")
-codeOut("#define UTILTIMERTASK_TASKS ("+str(bufferSizeTimer-1)+") // Must be power of 2 - and max 256")
+codeOut("#define UTILTIMERTASK_TASKS ("+str(bufferSizeTimer)+") // Must be power of 2 - and max 256")
 
 codeOut("");