diff --git a/libs/pbd/pbd/signals.h b/libs/pbd/pbd/signals.h
index f1ad3dec58..db59407fc0 100644
--- a/libs/pbd/pbd/signals.h
+++ b/libs/pbd/pbd/signals.h
@@ -440,14 +440,16 @@ SignalWithCombiner<Combiner, R(A...)>::operator() (A... a)
 	}
 #endif
 
-#ifdef _MSC_VER   /* Regarding the note (below) it was initially
-			       * thought that the problem got fixed in VS2015
-			       * but in fact it still persists even in VS2022 */
-		/* Use the older (heap based) mapping when building with MSVC.
-		 * Our StackAllocator class depends on 'boost::aligned_storage'
-		 * which is known to be troublesome with Visual C++ :-
-		 * https://www.boost.org/doc/libs/1_65_0/libs/type_traits/doc/html/boost_typetraits/reference/aligned_storage.html
-		 */
+#ifdef _MSC_VER
+	/* Regarding the note (below) it was initially
+	 * thought that the problem got fixed in VS2015
+	 * but in fact it still persists even in VS2022 */
+
+	/* Use the older (heap based) mapping when building with MSVC.
+	 * Our StackAllocator class depends on 'boost::aligned_storage'
+	 * which is known to be troublesome with Visual C++ :-
+	 * https://www.boost.org/doc/libs/1_65_0/libs/type_traits/doc/html/boost_typetraits/reference/aligned_storage.html
+	 */
 	std::vector<Connection*> s;
 #else
 	const std::size_t nslots = 512;