diff --git a/testhal/STM32/STM32L4xx/I2C-LSM6DS0/Makefile b/testhal/STM32/STM32L4xx/I2C-LSM6DS0/Makefile
index 70f1cf401..661a17324 100644
--- a/testhal/STM32/STM32L4xx/I2C-LSM6DS0/Makefile
+++ b/testhal/STM32/STM32L4xx/I2C-LSM6DS0/Makefile
@@ -145,7 +145,8 @@ TCPPSRC =
 ASMSRC =
 ASMXSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)
 
-INCDIR = $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
+INCDIR = $(CHIBIOS)/os/various
+         $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
          $(HALINC) $(PLATFORMINC) $(BOARDINC) $(LSM6DS0INC) \
          $(STREAMSINC) $(CHIBIOS)/os/various