diff --git a/tools/finalization/environment.sh b/tools/finalization/environment.sh
index 9714ac415b..d9c42c8bf9 100755
--- a/tools/finalization/environment.sh
+++ b/tools/finalization/environment.sh
@@ -22,3 +22,5 @@ export FINAL_MAINLINE_EXTENSION='58'
 # 'sdk' - SDK/API is finalized
 # 'rel' - branch is finalized, switched to REL
 export FINAL_STATE='unfinalized'
+
+export BUILD_FROM_SOURCE_STUB=true
\ No newline at end of file