diff --git a/entrypoint.sh b/entrypoint.sh
index eaffed9..2bd8d02 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -5,7 +5,7 @@ cd /build
 
 if [ "$REBUILD" != "false" ]; then
 	rm -rf ./local-ai
-	ESPEAK_DATA=/build/lib/Linux-$(uname -m)/piper_phonemize/lib/espeak-ng-data make build -j${THREADS:-1}
+	ESPEAK_DATA=/build/lib/Linux-$(uname -m)/piper_phonemize/lib/espeak-ng-data make build -j${BUILD_PARALLELISM:-1}
 fi
 
 ./local-ai "$@"