diff --git a/cmake/scripts/Baseset.cmake b/cmake/scripts/Baseset.cmake
--- a/cmake/scripts/Baseset.cmake
+++ b/cmake/scripts/Baseset.cmake
@@ -58,6 +58,7 @@ list(SORT ${PLACE_HOLDER})
 string(REPLACE ";" "\n" ${PLACE_HOLDER} "${${PLACE_HOLDER}}")
 
 # Get the grf md5
-file(MD5 ${BASESET_EXTRAGRF_FILE} ORIG_EXTRA_GRF_MD5)
+file(READ ${BASESET_EXTRAGRF_FILE}.hash ORIG_EXTRA_GRF_MD5)
+string(STRIP ${ORIG_EXTRA_GRF_MD5} ORIG_EXTRA_GRF_MD5)
 
 configure_file(${BASESET_SOURCE_FILE} ${BASESET_BINARY_FILE})