diff --git a/tests/datetime/datetimetest.cpp b/tests/datetime/datetimetest.cpp
index bb1086eca9..6024b17ff9 100644
--- a/tests/datetime/datetimetest.cpp
+++ b/tests/datetime/datetimetest.cpp
@@ -1139,6 +1139,18 @@ void DateTimeTestCase::TestParseRFC822()
             false
         },
 
+        {
+            "Sun 01 Jun 2008 16:39:10 +02", // truncated time zone
+            { 0 },
+            false
+        },
+
+        {
+            "Sun 01 Jun 2008 16:39:10 G", // truncated time zone
+            { 0 },
+            false
+        },
+
         {
             "Sat, 18 Dec 1999 10:48:30", // TZ missing
             { 0 },