diff --git a/src/cmd/barriers/barriers.cpp b/src/cmd/barriers/barriers.cpp
index 3de577cf..21c4d80b 100644
--- a/src/cmd/barriers/barriers.cpp
+++ b/src/cmd/barriers/barriers.cpp
@@ -40,10 +40,10 @@ main(int argc, char** argv)
 #endif
 
 #ifdef __APPLE__
-	/* Silence "is calling TIS/TSM in non-main thread environment" as it is a red
-	herring that causes a lot of issues to be filed for the MacOS client/server.
-	*/
-	setenv("OS_ACTIVITY_DT_MODE", "NO", true);
+    /* Silence "is calling TIS/TSM in non-main thread environment" as it is a red
+    herring that causes a lot of issues to be filed for the MacOS client/server.
+    */
+    setenv("OS_ACTIVITY_DT_MODE", "NO", true);
 #endif
     
     Arch arch;