diff --git a/src/Main.java b/src/Main.java
index b7c636b..7be5643 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -84,21 +84,27 @@ public class Main {
       if (config.getImportCachedRelayDescriptors()) {
         new CachedRelayDescriptorReader(rdp,
             config.getCachedRelayDescriptorDirectory());
-        aw.intermediateStats("importing relay descriptors from local Tor "
-            + "data directories");
+        if (aw != null) {
+          aw.intermediateStats("importing relay descriptors from local "
+              + "Tor data directories");
+        }
       }
       if (config.getImportDirectoryArchives()) {
         new ArchiveReader(rdp, config.getDirectoryArchivesDirectory(),
             config.getKeepDirectoryArchiveImportHistory());
-        aw.intermediateStats("importing relay descriptors from local "
-            + "directory");
+        if (aw != null) {
+          aw.intermediateStats("importing relay descriptors from local "
+              + "directory");
+        }
       }
       if (rdd != null) {
         rdd.downloadMissingDescriptors();
         rdd.writeFile();
         rdd = null;
-        aw.intermediateStats("downloading relay descriptors from the "
-            + "directory authorities");
+        if (aw != null) {
+          aw.intermediateStats("downloading relay descriptors from the "
+              + "directory authorities");
+        }
       }
     }