X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSplitFrame.java;fp=src%2Fjalview%2Fgui%2FSplitFrame.java;h=c5a0083a2db7f03b2af9586272a566bbe47ffbca;hb=3609d4b908fa64cab35f2348401baab3347188fc;hp=574cf045acc42e3432739bd24c72b2be0acbb62e;hpb=eda1adb8ef48c7c0da70635db7253a7489335603;p=jalview.git

diff --git a/src/jalview/gui/SplitFrame.java b/src/jalview/gui/SplitFrame.java
index 574cf04..c5a0083 100644
--- a/src/jalview/gui/SplitFrame.java
+++ b/src/jalview/gui/SplitFrame.java
@@ -20,6 +20,7 @@
  */
 package jalview.gui;
 
+import jalview.api.AlignViewportI;
 import jalview.api.AlignViewControllerGuiI;
 import jalview.api.FeatureSettingsControllerI;
 import jalview.api.SplitContainerI;
@@ -230,8 +231,8 @@ public class SplitFrame extends GSplitFrame implements SplitContainerI
     topFrame.alignPanel.adjustAnnotationHeight();
     bottomFrame.alignPanel.adjustAnnotationHeight();
 
-    final AlignViewport topViewport = topFrame.viewport;
-    final AlignViewport bottomViewport = bottomFrame.viewport;
+    final AlignViewportI topViewport = topFrame.viewport;
+    final AlignViewportI bottomViewport = bottomFrame.viewport;
     final AlignmentI topAlignment = topViewport.getAlignment();
     final AlignmentI bottomAlignment = bottomViewport.getAlignment();
     boolean topAnnotations = topViewport.isShowAnnotation();