diff --git a/repos/os/src/app/cpu_burner/main.cc b/repos/os/src/app/cpu_burner/main.cc
index 86a64b934d..285f769c42 100644
--- a/repos/os/src/app/cpu_burner/main.cc
+++ b/repos/os/src/app/cpu_burner/main.cc
@@ -38,7 +38,7 @@ struct Cpu_burn : Thread
 		while (true) {
 			_block.block();
 
-			while (!_stop) { }
+ 			while (!_stop) { }
 
 			_stop = false;
 		}