diff --git a/format/FormatNexusEigerDLS.py b/format/FormatNexusEigerDLS.py
index 52ecccf98..089447134 100644
--- a/format/FormatNexusEigerDLS.py
+++ b/format/FormatNexusEigerDLS.py
@@ -56,6 +56,8 @@ def understand(image_file):
                 return False
             if name.lower() in (b"i03", b"i04", b"i24", b"vmxi"):
                 return True
+            if name.upper().startswith(b"DLS "):
+                return True
 
         return False
 
diff --git a/newsfragments/339.bugfix b/newsfragments/339.bugfix
new file mode 100644
index 000000000..3d981e8aa
--- /dev/null
+++ b/newsfragments/339.bugfix
@@ -0,0 +1 @@
+Bug fix for identifying data from Diamond after naming fixes (missed a layer)