1 files changed, 1 insertions, 1 deletions

diff --git a/test/uk/ac/ox/cs/hermit/HermitQueryReasoner.java b/test/uk/ac/ox/cs/hermit/HermitQueryReasoner.java
index 6e9446d..f6246f8 100644
--- a/test/uk/ac/ox/cs/hermit/HermitQueryReasoner.java
+++ b/test/uk/ac/ox/cs/hermit/HermitQueryReasoner.java
@@ -73,7 +73,7 @@ public class HermitQueryReasoner {
                 if (onto.containsEntityInSignature(date)) {
                         for (OWLOntology o: onto.getImportsClosure())
                                 for (OWLAxiom axiom: o.getAxioms())
-                                        if (axiom.containsEntityInSignature(date)) {
+                                        if (axiom.getDatatypesInSignature().contains(date)) {
                                                 System.out.println("The axiom: " + axiom + " is being ingored. ");
                                                 man.removeAxiom(onto, axiom); 
                                         }