diff --git a/common/common.mk b/common/common.mk
index 301cdd8..19bd41b 100644
--- a/common/common.mk
+++ b/common/common.mk
@@ -1,3 +1,6 @@
+TOP := $(strip ${TOP})
+TARGET := $(strip ${TARGET})
+
 BUILDDIR := ${current_dir}/build
 BOARD_BUILDDIR := ${BUILDDIR}/${TARGET}