1 files changed, 1 insertions, 0 deletions
diff --git a/libtests/qtest/json_parse.test b/libtests/qtest/json_parse.test
index 6d57e92c..112da0a9 100644
--- a/libtests/qtest/json_parse.test
+++ b/libtests/qtest/json_parse.test
@@ -120,6 +120,7 @@ my @bad = (
     "stray low surrogate",      # 37
     "high high surrogate",      # 38
     "dangling high surrogate",  # 39
+    "duplicate dictionary key", # 40
     );
 
 my $i = 0;