diff --git a/test/dumbFilter.pl b/test/dumbFilter.pl
index 138be4d..eabaab6 100644
--- a/test/dumbFilter.pl
+++ b/test/dumbFilter.pl
@@ -102,6 +102,19 @@ sub doesMatchSingle {
         return 0 if !$found;
     }
 
+    if ($filter->{'#t'}) {
+        my $found;
+        foreach my $search (@{ $filter->{'#t'} }) {
+            foreach my $tag (@{ $ev->{tags} }) {
+                if ($tag->[0] eq 't' && $tag->[1] eq $search) {
+                    $found = 1;
+                    last;
+                }
+            }
+        }
+        return 0 if !$found;
+    }
+
     return 1;
 }
 
diff --git a/test/filterFuzzTest.pl b/test/filterFuzzTest.pl
index 2fb87c7..cfed927 100644
--- a/test/filterFuzzTest.pl
+++ b/test/filterFuzzTest.pl
@@ -87,6 +87,17 @@ c1e5e04d92d9bd20701bff4cbdac1cdc317d405035883b7adcf9a6a5308d0f54
 3a15cb7cf951de54a23585ca003c96ca9a7c49fbf8e436575ff9bb710af301f0
 }];
 
+my $topics = [qw{
+bitcoin
+nostr
+gitlog
+introductions
+jb55
+damus
+chat
+nosuchtopic
+}];
+
 sub genRandomFilterGroup {
     my $useLimit = shift;
 
@@ -131,6 +142,13 @@ sub genRandomFilterGroup {
                     push @{$f->{'#p'}}, $pubkeys->[int(rand() * @$pubkeys)];
                 }
             }
+
+            if (rand() < .2) {
+                $f->{'#t'} = [];
+                for (1..(rand()*5)) {
+                    push @{$f->{'#t'}}, $topics->[int(rand() * @$topics)];
+                }
+            }
         }
 
         if (rand() < .2) {