diff --git a/common/icat/filters.py b/common/icat/filters.py
index 3740e25e..3f3b4701 100644
--- a/common/icat/filters.py
+++ b/common/icat/filters.py
@@ -22,6 +22,8 @@ def apply_filter(self, query):
         log.info("Creating condition for ICAT where filter")
         if self.operation == "eq":
             where_filter = self.create_condition(self.field, "=", self.value)
+        elif self.operation == "ne":
+            where_filter = self.create_condition(self.field, "!=", self.value)
         elif self.operation == "like":
             where_filter = self.create_condition(self.field, "like", self.value)
         elif self.operation == "lt":