diff --git a/src/main/java/PDVGUI/gui/utils/ImportPredictedDialog.java b/src/main/java/PDVGUI/gui/utils/ImportPredictedDialog.java
index 64de503..fb94600 100644
--- a/src/main/java/PDVGUI/gui/utils/ImportPredictedDialog.java
+++ b/src/main/java/PDVGUI/gui/utils/ImportPredictedDialog.java
@@ -234,6 +234,10 @@ private String getModificationString(String originalMod) {
                 if (Math.abs(ptmFactory.getPTM(originalMod).getMass() -79.966331) < 0.01) {
                     modificationString = "[UNIMOD:21]";
                 }
+            } if (originalMod.contains("of N-term")) {
+                if (Math.abs(ptmFactory.getPTM(originalMod).getMass() - 42.010565) < 0.01) {
+                    modificationString = "[UNIMOD:1]";
+                }
             }
 
         }