diff --git a/ports/jansson/portfile.cmake b/ports/jansson/portfile.cmake
index e018170c7..5b255e7ac 100644
--- a/ports/jansson/portfile.cmake
+++ b/ports/jansson/portfile.cmake
@@ -31,6 +31,7 @@ endif()
 
 vcpkg_configure_cmake(
   SOURCE_PATH ${SOURCE_PATH}
+  PREFER_NINJA
   OPTIONS
   -DJANSSON_STATIC_CRT=${JANSSON_STATIC_CRT}
   -DJANSSON_EXAMPLES=OFF