diff --git a/build.gradle b/build.gradle
index 12d70e0312..188a995d6e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -195,6 +195,7 @@ allprojects {
 
         if (System.getProperty("test.maxParallelForks") != null) {
             maxParallelForks = Integer.valueOf(System.getProperty("test.maxParallelForks"))
+            logger.debug("System property test.maxParallelForks found - setting max parallel forks to $maxParallelForks for $project")
         }
 
         if (project.path.startsWith(':experimental') && System.getProperty("experimental.test.enable") == null) {