diff --git a/CTestConfig.cmake b/CTestConfig.cmake
index aa0cd123ba77bb3e4678944790a81a50543dfa90..f32d9a202edd46c3cd519428084f433b804c9262 100644
--- a/CTestConfig.cmake
+++ b/CTestConfig.cmake
@@ -9,4 +9,5 @@ set(CTEST_DROP_SITE_CDASH TRUE)
 set(CTEST_DROP_SITE "onelab.info")
 set(CTEST_DROP_LOCATION "/CDash/submit.php?project=Gmsh")
 set(CTEST_TRIGGER_SITE "")
-set(SITE ${GMSH_HOST})
\ No newline at end of file
+set(SITE ${GMSH_HOST})
+set(BUILDNAME "${GMSH_OS}-${GMSH_PACKAGER}")