diff --git a/RUNNING_TESTS.md b/RUNNING_TESTS.md
index ba95a6d450..dc2dade89e 100644
--- a/RUNNING_TESTS.md
+++ b/RUNNING_TESTS.md
@@ -49,7 +49,7 @@ invoked directly without using an absolute file path. Note that this method does
 On Windows, you must run unit tests as follows (replace `X.Y.Z` with your RabbitMQ version):
 
 ```
-set RABBITMQ_RABBITMQCTL_PATH=C:\Program Files\RabbitMQ Server\rabbitmq_server-X.Y.Z\sbin\rabbitmqctl.bat
+set RABBITMQ_RABBITMQCTL_PATH="C:\Program Files\RabbitMQ Server\rabbitmq_server-X.Y.Z\sbin\rabbitmqctl.bat"
 .\run-test.bat
 ```