diff --git a/arch/arc/Kbuild b/arch/arc/Kbuild
index 0c160a48b85..743747217a5 100644
--- a/arch/arc/Kbuild
+++ b/arch/arc/Kbuild
@@ -1,5 +1,5 @@
-ccflags-y +=-I$(srctree)/arch/arc/platforms/$(strip $(CONFIG_PLATFORM))
-asflags-y +=-I$(srctree)/arch/arc/platforms/$(strip $(CONFIG_PLATFORM))
+ccflags-y +=-I$(srctree)/arch/arc/platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))
+asflags-y +=-I$(srctree)/arch/arc/platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))
 
 obj-y = core/
 
diff --git a/arch/arm/core/cortex_m/Makefile b/arch/arm/core/cortex_m/Makefile
index 3d2fb1697e8..a3304367df3 100644
--- a/arch/arm/core/cortex_m/Makefile
+++ b/arch/arm/core/cortex_m/Makefile
@@ -1,5 +1,5 @@
 ccflags-y +=-I$(srctree)/include/drivers
-ccflags-y +=-I$(srctree)/arch/$(ARCH)/platforms/$(strip $(CONFIG_PLATFORM))
+ccflags-y +=-I$(srctree)/arch/$(ARCH)/platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))
 
 asflags-y = $(ccflags-y)
 
diff --git a/samples/microkernel/apps/nfc_hello/src/Makefile b/samples/microkernel/apps/nfc_hello/src/Makefile
index 801b786d329..70f5d1cc0d7 100644
--- a/samples/microkernel/apps/nfc_hello/src/Makefile
+++ b/samples/microkernel/apps/nfc_hello/src/Makefile
@@ -1,3 +1,3 @@
-ccflags-y +=-I$(srctree)/arch/$(ARCH)/platforms/$(strip $(CONFIG_PLATFORM))
+ccflags-y +=-I$(srctree)/arch/$(ARCH)/platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))
 
 obj-y = main.o
diff --git a/samples/nanokernel/test/test_context/src/Makefile b/samples/nanokernel/test/test_context/src/Makefile
index e29bedbf53c..e1f22f61249 100644
--- a/samples/nanokernel/test/test_context/src/Makefile
+++ b/samples/nanokernel/test/test_context/src/Makefile
@@ -1,4 +1,4 @@
 ccflags-y += ${PROJECTINCLUDE} -I${srctree}/samples/include
-ccflags-y +=-I$(srctree)/arch/$(ARCH)/platforms/$(strip $(CONFIG_PLATFORM))
+ccflags-y +=-I$(srctree)/arch/$(ARCH)/platforms/$(subst $(DQUOTE),,$(CONFIG_PLATFORM))
 
 obj-y = context.o