diff --git a/server/eclipse-project/src/main/java/au/org/democracydevelopers/corla/endpoint/GetAssertions.java b/server/eclipse-project/src/main/java/au/org/democracydevelopers/corla/endpoint/GetAssertions.java
index 9350483d..f448efa0 100644
--- a/server/eclipse-project/src/main/java/au/org/democracydevelopers/corla/endpoint/GetAssertions.java
+++ b/server/eclipse-project/src/main/java/au/org/democracydevelopers/corla/endpoint/GetAssertions.java
@@ -128,7 +128,7 @@ public String endpointBody(final Request the_request, final Response the_respons
             the_response.header("Content-Type", "application/zip");
             the_response.header("Content-Disposition",
                 "attachment; filename*=UTF-8''assertions_" + suffix + ".zip");
-            getAssertions(os, suffix);
+            getAssertions(os, "", suffix);
             os.close();
 
             ok(the_response);
@@ -158,7 +158,7 @@ public String endpointBody(final Request the_request, final Response the_respons
      * @param zos    an output stream (to become a zip file)
      * @param suffix requested file type: "csv" or "json"
      */
-    public static void getAssertions(final ZipOutputStream zos, String suffix)
+    public static void getAssertions(final ZipOutputStream zos, String directory, String suffix)
         throws IOException {
         final String prefix = "[getAssertions]";
 
@@ -180,7 +180,9 @@ public static void getAssertions(final ZipOutputStream zos, String suffix)
 
             // Remove non-word characters for saving into .zip file; set up the zip next entry.
             final String sanitizedContestName = cr.getContestName().replaceAll("[\\W]", "");
-            zos.putNextEntry(new ZipEntry(sanitizedContestName + "_assertions." + suffix));
+            // If we have a nonempty directory, add "/" to it (apparently this is platform independent).
+            final String dirString = directory.isBlank() ? "" : directory + "/";
+            zos.putNextEntry(new ZipEntry(dirString + sanitizedContestName + "_assertions." + suffix));
 
             // Make the request.
             final GetAssertionsRequest getAssertionsRequest = new GetAssertionsRequest(
diff --git a/server/eclipse-project/src/main/java/us/freeandfair/corla/controller/AuditReport.java b/server/eclipse-project/src/main/java/us/freeandfair/corla/controller/AuditReport.java
index 93857ef2..651ec4e4 100644
--- a/server/eclipse-project/src/main/java/us/freeandfair/corla/controller/AuditReport.java
+++ b/server/eclipse-project/src/main/java/us/freeandfair/corla/controller/AuditReport.java
@@ -2,18 +2,10 @@
 package us.freeandfair.corla.controller;
 
 import java.io.OutputStream;
-import java.net.URISyntaxException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
 import java.io.IOException;
-import org.apache.commons.csv.CSVFormat;
-import org.apache.commons.csv.CSVParser;
-import org.apache.commons.csv.CSVRecord;
-import java.io.Reader;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -33,13 +25,11 @@
 import us.freeandfair.corla.report.StateReport;
 import us.freeandfair.corla.model.DoSDashboard;
 import us.freeandfair.corla.persistence.Persistence;
-//import us.freeandfair.corla.query.CSVParser;
 import us.freeandfair.corla.query.ExportQueries;
 
 import static au.org.democracydevelopers.corla.endpoint.GetAssertions.CSV_SUFFIX;
 import static au.org.democracydevelopers.corla.endpoint.GetAssertions.JSON_SUFFIX;
 import static au.org.democracydevelopers.corla.endpoint.GetAssertions.getAssertions;
-//import us.freeandfair.corla.query.Reader;
 
 /**
  * Find the data for a report and format it to be rendered into a presentation
@@ -229,11 +219,11 @@ public static void generateZip(final OutputStream os, List<String> selectedRepor
         }
 
         if ("assertions_json".equalsIgnoreCase(reportName)) {
-          getAssertions(zos, JSON_SUFFIX);
+          getAssertions(zos, "assertions-json", JSON_SUFFIX);
         }
 
         if ("assertions_csv".equalsIgnoreCase(reportName)) {
-          getAssertions(zos, CSV_SUFFIX);
+          getAssertions(zos, "assertions-csv", CSV_SUFFIX);
         }
       }
     } catch (IOException e) {