diff --git a/jdaviz/app.py b/jdaviz/app.py
index cc4dc0baf6..77f4f431d2 100644
--- a/jdaviz/app.py
+++ b/jdaviz/app.py
@@ -617,8 +617,13 @@ def _link_new_data(self, reference_data=None, data_to_be_linked=None):
                  linked_data.ndim < 3 and  # Cube linking requires special logic. See below
                  ref_data.ndim < 3)
               ):
-            links = [LinkSame(linked_data.components[0], ref_data.components[0]),
-                     LinkSame(linked_data.components[1], ref_data.components[1])]
+            if self.config == 'specviz2d':
+                links = [LinkSameWithUnits(linked_data.components[0], ref_data.components[1]),
+                         LinkSameWithUnits(linked_data.components[1], ref_data.components[3])]
+            else:
+                links = [LinkSame(linked_data.components[0], ref_data.components[0]),
+                         LinkSame(linked_data.components[1], ref_data.components[1])]
+
             dc.add_link(links)
             return