diff --git a/libisoburn/trunk/releng/auto_cxx b/libisoburn/trunk/releng/auto_cxx
index c7f8081e..0de7feb7 100755
--- a/libisoburn/trunk/releng/auto_cxx
+++ b/libisoburn/trunk/releng/auto_cxx
@@ -50,7 +50,7 @@ fi
 # process sample code tests
  for SMPL in `ls "${SAMPLE_CODE_DIR}"/*.cpp`; do
    # CMD_CPL="${CC} -I../ -L ../libisoburn/.libs/ ${CFLAGS} -lisoburn -o ${SMPL}.obj ${SMPL}"
-   CMD_CPL="${CC} -c -I../ ${CFLAGS} -o ${SMPL}.obj ${SMPL}"
+   CMD_CPL="${CC} -c -I../ -I../../libburn -I../../libisofs ${CFLAGS} -o ${SMPL}.obj ${SMPL}"
    printf "${SELF}: ${CMD_CPL}"
    set +e
    ${CMD_CPL}