diff --git a/src/modules/physics/box2d/Body.cpp b/src/modules/physics/box2d/Body.cpp
index da0afa741..adc8c6a2d 100644
--- a/src/modules/physics/box2d/Body.cpp
+++ b/src/modules/physics/box2d/Body.cpp
@@ -269,7 +269,7 @@ namespace box2d
 
 	void Body::setAllowSleeping(bool allow)
 	{
-		body->AllowSleeping(true);
+		body->AllowSleeping(allow);
 	}
 
 	void Body::putToSleep()