1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/scala/rsacomb/RDFoxClassExprConverter.scala b/src/main/scala/rsacomb/RDFoxClassExprConverter.scala
index 2029f0b..f07e3c6 100644
--- a/src/main/scala/rsacomb/RDFoxClassExprConverter.scala
+++ b/src/main/scala/rsacomb/RDFoxClassExprConverter.scala
@@ -35,7 +35,7 @@ object RDFoxClassExprConverter {
 
   def apply(
       term: Term,
-      unsafe: List[OWLObjectPropertyExpression],
+      unsafe: List[OWLObjectPropertyExpression] = List(),
       skolem: SkolemStrategy = SkolemStrategy.None,
       suffix: RSASuffix = RSASuffix.None
   ): RDFoxClassExprConverter =