diff --git a/mk/boards.mk b/mk/boards.mk
index ce5e6a9..57a2cb5 100644
--- a/mk/boards.mk
+++ b/mk/boards.mk
@@ -8,7 +8,7 @@ ARMCC?= arm-none-eabi-gcc
 #ARMCC?=clang-mp-9.0
 #ARMTARGET?= -nostdlib -ffreestanding -target arm-none-eabi -mcpu=cortex-m3 -mfloat-abi=soft  -mthumb
 
-.include <mk/mu.opts.mk>
+.include <$(.PARSEDIR)/mu.opts.mk>
 
 # Strobe
 .if ${MK_STROBE} == "yes"