diff --git a/scripts/common.make b/scripts/common.make
index 644c44e..9c7fd73 100644
--- a/scripts/common.make
+++ b/scripts/common.make
@@ -27,7 +27,7 @@
                -I$(MBEDTLS_PATH)/include -I$(MBEDTLS_PATH)/tf-psa-crypto/include \
                -I$(MBEDTLS_PATH)/tf-psa-crypto/drivers/builtin/include \
                -D_FILE_OFFSET_BITS=64
-LOCAL_CXXFLAGS = $(WARNING_CXXFLAGS) -I$(MBEDTLS_PATH)/include -I$(MBEDTLS_PATH)/tests/include -D_FILE_OFFSET_BITS=64
+LOCAL_CXXFLAGS = $(WARNING_CXXFLAGS) $(LOCAL_CFLAGS)
 
 ifdef PSASIM
 LOCAL_LDFLAGS = ${MBEDTLS_TEST_OBJS} 		\