diff --git a/autoninja b/autoninja
index 50ec00d57..eeeaaa123 100755
--- a/autoninja
+++ b/autoninja
@@ -8,6 +8,10 @@
 AUTONINJA_BUILD_ID="$(python -c "import uuid; print uuid.uuid4()")"
 export AUTONINJA_BUILD_ID
 
+if [ "$NINJA_SUMMARIZE_BUILD" == "1" ]; then
+    export NINJA_STATUS="[%r processes, %f/%t @ %o/s : %es ] "
+fi
+
 # Execute whatever is printed by autoninja.py.
 # Also print it to reassure that the right settings are being used.
 command=$(python "$(dirname -- "$0")/autoninja.py" "$@")