diff --git a/make.mk b/make.mk
index 851e7e9b..528b0987 100644
--- a/make.mk
+++ b/make.mk
@@ -3,7 +3,7 @@ BUILD = ./build
 BIN = watch
 
 ifndef BOARD
-override BOARD = OSO-SWAT-A1-04
+override BOARD = OSO-SWAT-A1-05
 endif
 
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