diff --git a/gtk2_ardour/ardour_ui_session.cc b/gtk2_ardour/ardour_ui_session.cc
index 9c03f514d8..8ac7c9a313 100644
--- a/gtk2_ardour/ardour_ui_session.cc
+++ b/gtk2_ardour/ardour_ui_session.cc
@@ -182,7 +182,7 @@ ARDOUR_UI::session_dialog_response_handler (int response, SessionDialog* session
 	if (!likely_new) {
 		int rv = ARDOUR::inflate_session (session_name, Config->get_default_session_parent_dir(), session_path, session_name);
 
-		if (rv != 0) {
+		if (rv < 0) {
 			ArdourMessageDialog msg (*session_dialog, string_compose (_("Extracting session-archive failed: %1"), inflate_error (rv)));
 			msg.run ();
 			return; /* back to main event loop */
diff --git a/gtk2_ardour/startup_fsm.cc b/gtk2_ardour/startup_fsm.cc
index 7bf5d8b2b2..44e528fcbe 100644
--- a/gtk2_ardour/startup_fsm.cc
+++ b/gtk2_ardour/startup_fsm.cc
@@ -707,7 +707,7 @@ StartupFSM::check_session_parameters (bool must_be_new)
 		/* See if the specified session is a session archive */
 
 		int rv = ARDOUR::inflate_session (session_name, Config->get_default_session_parent_dir(), session_path, session_name);
-		if (rv != 0) {
+		if (rv < 0) {
 			ArdourMessageDialog msg (*session_dialog, string_compose (_("Extracting session-archive failed: %1"), inflate_error (rv)));
 			msg.run ();
 			return 1;