diff --git a/CI/main_superbuild.cmake b/CI/main_superbuild.cmake
index 888ea98ef18b79a57c83cceb7a5f53e4e25fa420..5fb8d75dcec65b5ed4c3dd4f5173fdde3494b23b 100644
--- a/CI/main_superbuild.cmake
+++ b/CI/main_superbuild.cmake
@@ -123,8 +123,13 @@ GEOTIFF_CSV= GEOTIFF_CSV
 PROJ_LIB= PROJ_LIB
 ")
 
+# Sources are already checked out : do nothing for update
+set(CTEST_GIT_UPDATE_CUSTOM echo No update)
+
 ctest_start (Experimental TRACK Experimental)
 
+ctest_update()
+
 ctest_configure(BUILD "${CTEST_BINARY_DIRECTORY}"
     SOURCE "${OTB_SOURCE_DIR}"
     OPTIONS "${CONFIGURE_OPTIONS}"