diff --git a/mozilla/webtools/bugzilla/.bzrrev b/mozilla/webtools/bugzilla/.bzrrev
index b3b108dac6b..06994d3a7fe 100644
--- a/mozilla/webtools/bugzilla/.bzrrev
+++ b/mozilla/webtools/bugzilla/.bzrrev
@@ -1 +1 @@
-9106
\ No newline at end of file
+9107
\ No newline at end of file
diff --git a/mozilla/webtools/bugzilla/.gitrev b/mozilla/webtools/bugzilla/.gitrev
index 0081233636a..4f6e723da0b 100644
--- a/mozilla/webtools/bugzilla/.gitrev
+++ b/mozilla/webtools/bugzilla/.gitrev
@@ -1 +1 @@
-8cb02d65aa87806f8ed5e17347cbd355334ec295
\ No newline at end of file
+ee4df197cd7c53a553370b520f9be6d0adc08205
\ No newline at end of file
diff --git a/mozilla/webtools/bugzilla/Bugzilla/WebService/Bug.pm b/mozilla/webtools/bugzilla/Bugzilla/WebService/Bug.pm
index 334be105792..e5a4a739704 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/WebService/Bug.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/WebService/Bug.pm
@@ -1146,7 +1146,11 @@ sub search_comment_tags {
     my $query = $params->{query};
     $query
         // ThrowCodeError('param_required', { param => 'query' });
-    my $limit = detaint_natural($params->{limit}) || 7;
+    my $limit = $params->{limit} || 7;
+    detaint_natural($limit)
+        || ThrowCodeError('param_must_be_numeric', { param    => 'limit',
+                                                     function => 'Bug.search_comment_tags' });
+
 
     my $tags = Bugzilla::Comment::TagWeights->match({
         WHERE => {