diff --git a/bundle/edu.gemini.pot/src/main/java/edu/gemini/spModel/gemini/gmos/GmosNorthType.java b/bundle/edu.gemini.pot/src/main/java/edu/gemini/spModel/gemini/gmos/GmosNorthType.java
index 061a19197a..09185d3f6d 100644
--- a/bundle/edu.gemini.pot/src/main/java/edu/gemini/spModel/gemini/gmos/GmosNorthType.java
+++ b/bundle/edu.gemini.pot/src/main/java/edu/gemini/spModel/gemini/gmos/GmosNorthType.java
@@ -80,7 +80,7 @@ public enum DisperserNorth implements GmosCommonType.Disperser, ObsoletableSpTyp
         R600_G5304(  "R600_G5304",  "R600",  600, Ictd.track("R600")),
         B480_G5309(  "B480_G5309",  "B480",  480, Ictd.track("B480")),
         R400_G5305(  "R400_G5305",  "R400",  400, Ictd.track("R400")),
-        R400_G5310(  "R400_G5310",  "R400",  400, Ictd.track("R400_2")),
+        R400_G5310(  "R400_G5310",  "R400",  400, Ictd.track("R400")),
         R150_G5306(  "R150_G5306",  "R150",  150, Ictd.unavailable()) {
             @Override public boolean isObsolete() { return true; }
         },