diff --git a/grammars/.json.gbnf.swp b/grammars/.json.gbnf.swp
new file mode 100644
index 000000000..a7a120084
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diff --git a/grammars/json.gbnf b/grammars/json.gbnf
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--- a/grammars/json.gbnf
+++ b/grammars/json.gbnf
@@ -1,6 +1,6 @@
 # Grammar for subset of JSON - doesn't support full string or number syntax
 
-root  ::= object | array
+root  ::= object
 value ::= object | array | string | number | boolean
 
 object ::=