diff --git a/Ports/cmake/package.sh b/Ports/cmake/package.sh
index 0b845601e1..77932aa41c 100755
--- a/Ports/cmake/package.sh
+++ b/Ports/cmake/package.sh
@@ -12,7 +12,7 @@ configure() {
 }
 
 build() {
-    run ninja
+    run ninja -j${MAKEJOBS}
 }
 
 install() {