diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c1df2e..ab3d031 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ Based on the suggestion at https://keepachangelog.com/en/1.0.0/.
 - Removed Eclipse files that should not have been added in [phyloref/jphyloref#13].
 - Moved code for determining Phyloref statuses to PhylorefHelper. This is part of
   [phyloref/jphyloref#8].
+- WebserverCommand now looks for ontologies in the local 'ontologies/' directory.
 
 ## 0.2 - 2018-06-20
 - Added support for phyloreference statuses using the Publication Status Ontology
diff --git a/src/main/java/org/phyloref/jphyloref/commands/WebserverCommand.java b/src/main/java/org/phyloref/jphyloref/commands/WebserverCommand.java
index e584bcd..54f60f0 100644
--- a/src/main/java/org/phyloref/jphyloref/commands/WebserverCommand.java
+++ b/src/main/java/org/phyloref/jphyloref/commands/WebserverCommand.java
@@ -40,6 +40,7 @@
 import org.semanticweb.owlapi.rio.RioOWLRDFConsumerAdapter;
 import org.semanticweb.owlapi.search.EntitySearcher;
 import org.semanticweb.owlapi.util.AnonymousNodeChecker;
+import org.semanticweb.owlapi.util.AutoIRIMapper;
 import org.semanticweb.owlapi.util.VersionInfo;
 
 import fi.iki.elonen.NanoHTTPD;
@@ -160,6 +161,13 @@ public JSONObject serveReason(File jsonldFile) throws OWLOntologyCreationExcepti
 
       // Prepare an ontology to fill with the provided JSON-LD file.
       OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
+
+      // Is purl.obolibrary.org down? No worries, you can access local copies
+      // of your ontologies in the 'ontologies/' folder.
+      AutoIRIMapper mapper = new AutoIRIMapper(new File("ontologies"), true);
+      System.err.println("Found local ontologies: " + mapper.getOntologyIRIs());
+      manager.addIRIMapper(mapper);
+
       OWLOntology ontology = manager.createOntology();
       OWLOntologyLoaderConfiguration config = new OWLOntologyLoaderConfiguration();