diff --git a/RGBController/RGBController_Dummy.cpp b/RGBController/RGBController_Dummy.cpp
index a4b7ac05c..2461a4c0e 100644
--- a/RGBController/RGBController_Dummy.cpp
+++ b/RGBController/RGBController_Dummy.cpp
@@ -34,7 +34,12 @@
 
 RGBController_Dummy::RGBController_Dummy()
 {
-
+    /*-----------------------------------------------------*\
+    | Dummy controller doesn't actually use its background  |
+    | thread, so shut it down immediately to save resources |
+    \*-----------------------------------------------------*/
+    Shutdown();
+    AccessMutex.unlock();
 }
 
 RGBController_Dummy::~RGBController_Dummy()