diff --git a/t/corpus_info.t b/t/corpus_info.t
index e245422..e5d1987 100644
--- a/t/corpus_info.t
+++ b/t/corpus_info.t
@@ -34,11 +34,17 @@
   ;
 
 $t->get_ok('/corpus2?cq=docSigle+%3D+\"GOE/AGA\"')
+  ->status_is(200)
   ->json_is('/documents', 5)
   ->json_is('/tokens', 108557)
   ->json_is('/sentences', 3835)
   ->json_is('/paragraphs', 124)
   ;
 
+$t->get_ok('/corpus2?cq=4')
+  ->status_is(400)
+  ->json_is('/notifications/0/1', "302: Could not parse query >>> (4) <<<.")
+  ;
+
 done_testing;
 __END__
diff --git a/t/fixtures/response_corpusinfo_4.json b/t/fixtures/response_corpusinfo_4.json
new file mode 100644
index 0000000..0fe2a70
--- /dev/null
+++ b/t/fixtures/response_corpusinfo_4.json
@@ -0,0 +1,9 @@
+{
+  "status" : 400,
+  "json" : {
+    "errors":
+    [
+      [302,"Could not parse query >>> (4) <<<.","(4)"]
+    ]
+  }
+}