1 files changed, 5 insertions, 3 deletions
diff --git a/roi.c b/roi.c
index 9a3d078..266cb15 100644
--- a/roi.c
+++ b/roi.c
@@ -177,9 +177,11 @@ key_event(GtkWidget *widget, GdkEventKey *event, gpointer userdata)
 		switch (event->keyval) {
 		case GDK_KEY_d:
 		case GDK_KEY_D:
-			g_object_unref(roi->modified_input);
-			roi->modified_input = NULL;
-			gtk_widget_queue_draw(roi->drawing_area);
+			if (roi->modified_input) {
+				g_object_unref(roi->modified_input);
+				roi->modified_input = NULL;
+				gtk_widget_queue_draw(roi->drawing_area);
+			}
 			break;
 		case GDK_KEY_q:
 		case GDK_KEY_Q: