diff --git a/test/library_server.cpp b/test/library_server.cpp
index 2274ccf4c..c9c34e367 100644
--- a/test/library_server.cpp
+++ b/test/library_server.cpp
@@ -301,20 +301,41 @@ TEST_F(LibraryServerTest, catalog_search_by_tag)
 
 TEST_F(LibraryServerTest, catalog_search_by_category)
 {
-  const auto r = zfs1_->GET("/ROOT%23%3F/catalog/search?category=jazz");
-  EXPECT_EQ(r->status, 200);
-  EXPECT_EQ(maskVariableOPDSFeedData(r->body),
-    OPDS_FEED_TAG
-    "  <id>12345678-90ab-cdef-1234-567890abcdef</id>\n"
-    "  <title>Filtered zims (category=jazz)</title>\n"
-    "  <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n"
-    "  <totalResults>1</totalResults>\n"
-    "  <startIndex>0</startIndex>\n"
-    "  <itemsPerPage>1</itemsPerPage>\n"
-    CATALOG_LINK_TAGS
-    CHARLES_RAY_CATALOG_ENTRY
-    "</feed>\n"
-  );
+
+  {
+    const auto r = zfs1_->GET("/ROOT%23%3F/catalog/search?category=jazz");
+    EXPECT_EQ(r->status, 200);
+    EXPECT_EQ(maskVariableOPDSFeedData(r->body),
+      OPDS_FEED_TAG
+      "  <id>12345678-90ab-cdef-1234-567890abcdef</id>\n"
+      "  <title>Filtered zims (category=jazz)</title>\n"
+      "  <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n"
+      "  <totalResults>1</totalResults>\n"
+      "  <startIndex>0</startIndex>\n"
+      "  <itemsPerPage>1</itemsPerPage>\n"
+      CATALOG_LINK_TAGS
+      CHARLES_RAY_CATALOG_ENTRY
+      "</feed>\n"
+    );
+  }
+
+  {
+    const auto r = zfs1_->GET("/ROOT%23%3F/catalog/search?category=jazz,wikipedia");
+    EXPECT_EQ(r->status, 200);
+    EXPECT_EQ(maskVariableOPDSFeedData(r->body),
+      OPDS_FEED_TAG
+      "  <id>12345678-90ab-cdef-1234-567890abcdef</id>\n"
+      "  <title>Filtered zims (category=jazz%2Cwikipedia)</title>\n"
+      "  <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n"
+      "  <totalResults>2</totalResults>\n"
+      "  <startIndex>0</startIndex>\n"
+      "  <itemsPerPage>2</itemsPerPage>\n"
+      CATALOG_LINK_TAGS
+      RAY_CHARLES_CATALOG_ENTRY
+      CHARLES_RAY_CATALOG_ENTRY
+      "</feed>\n"
+    );
+  }
 }
 
 TEST_F(LibraryServerTest, catalog_search_by_language)
@@ -793,6 +814,40 @@ TEST_F(LibraryServerTest, catalog_v2_entries_filtered_by_language)
   }
 }
 
+TEST_F(LibraryServerTest, catalog_v2_entries_filtered_by_category)
+{
+  {
+    const auto r = zfs1_->GET("/ROOT%23%3F/catalog/v2/entries?category=jazz");
+    EXPECT_EQ(r->status, 200);
+    EXPECT_EQ(maskVariableOPDSFeedData(r->body),
+      CATALOG_V2_ENTRIES_PREAMBLE("?category=jazz")
+      "  <title>Filtered Entries (category=jazz)</title>\n"
+      "  <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n"
+      "  <totalResults>1</totalResults>\n"
+      "  <startIndex>0</startIndex>\n"
+      "  <itemsPerPage>1</itemsPerPage>\n"
+      CHARLES_RAY_CATALOG_ENTRY
+      "</feed>\n"
+    );
+  }
+
+  {
+    const auto r = zfs1_->GET("/ROOT%23%3F/catalog/v2/entries?category=jazz,wikipedia");
+    EXPECT_EQ(r->status, 200);
+    EXPECT_EQ(maskVariableOPDSFeedData(r->body),
+      CATALOG_V2_ENTRIES_PREAMBLE("?category=jazz%2Cwikipedia")
+      "  <title>Filtered Entries (category=jazz%2Cwikipedia)</title>\n"
+      "  <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n"
+      "  <totalResults>2</totalResults>\n"
+      "  <startIndex>0</startIndex>\n"
+      "  <itemsPerPage>2</itemsPerPage>\n"
+      RAY_CHARLES_CATALOG_ENTRY
+      CHARLES_RAY_CATALOG_ENTRY
+      "</feed>\n"
+    );
+  }
+}
+
 TEST_F(LibraryServerTest, catalog_v2_entries_multiple_filters)
 {
   {