diff --git a/osal/Makefile b/osal/Makefile
index 6ae3b415..c6108ff5 100644
--- a/osal/Makefile
+++ b/osal/Makefile
@@ -1,6 +1,6 @@
 ###################################################################
 #automatic detection QTOP and LOCALDIR
-$(patsubst %/,%,$(dir $(realpath $(firstword $(MAKEFILE_LIST)))))
+CUR_DIR := $(patsubst %/,%,$(dir $(realpath $(firstword $(MAKEFILE_LIST)))))
 TRYQTOP := $(shell if [ -n "$$QTOP" ] ; then\
         echo $$QTOP;\
         else\
diff --git a/osal/cmsis_os/Makefile b/osal/cmsis_os/Makefile
index 1f283b2c..c5126dc4 100644
--- a/osal/cmsis_os/Makefile
+++ b/osal/cmsis_os/Makefile
@@ -1,6 +1,6 @@
 ###################################################################
 #automatic detection QTOP and LOCALDIR
-$(patsubst %/,%,$(dir $(realpath $(firstword $(MAKEFILE_LIST)))))
+CUR_DIR := $(patsubst %/,%,$(dir $(realpath $(firstword $(MAKEFILE_LIST)))))
 TRYQTOP := $(shell if [ -n "$$QTOP" ] ; then\
         echo $$QTOP;\
         else\
diff --git a/osal/posix/Makefile b/osal/posix/Makefile
index 992f0cb3..d692b25f 100644
--- a/osal/posix/Makefile
+++ b/osal/posix/Makefile
@@ -1,6 +1,6 @@
 ###################################################################
 #automatic detection QTOP and LOCALDIR
-$(patsubst %/,%,$(dir $(realpath $(firstword $(MAKEFILE_LIST)))))
+CUR_DIR := $(patsubst %/,%,$(dir $(realpath $(firstword $(MAKEFILE_LIST)))))
 TRYQTOP := $(shell if [ -n "$$QTOP" ] ; then\
         echo $$QTOP;\
         else\