diff --git a/libs/ardour/region.cc b/libs/ardour/region.cc
index 78d805815b..9c96a192a4 100644
--- a/libs/ardour/region.cc
+++ b/libs/ardour/region.cc
@@ -999,6 +999,7 @@ Region::trim_to_internal (timepos_t const & pos, timecnt_t const & len)
 		if (!property_changes_suspended()) {
 			_last_length = _length;
 		}
+		std::cerr << "change len\n";
 		set_length_internal (nl);
 		what_changed.add (Properties::length);
 	}
@@ -1402,7 +1403,9 @@ void
 Region::mid_thaw (const PropertyChange& what_changed)
 {
 	if (what_changed.contains (Properties::length)) {
-		recompute_at_start ();
+		if (length().position() != last_position()) {
+			recompute_at_start ();
+		}
 		recompute_at_end ();
 	}
 }