diff --git a/src/preserves/schemaparse.nim b/src/preserves/schemaparse.nim
index d5c670f..5e3b5b5 100644
--- a/src/preserves/schemaparse.nim
+++ b/src/preserves/schemaparse.nim
@@ -239,7 +239,7 @@ const parser = peg("Schema", p: ParseState):
     var node = initRecord(toSymbol"tuplePrefix", toPreserve fields, tail)
     pushStack node
 
-  DictionaryPattern <- '{' * S * *(>Value * S * ':' * S * NamedSimplePattern * S) * '}':
+  DictionaryPattern <- '{' * S * *(>Value * S * ':' * S * NamedSimplePattern * ?',' * S) * '}':
     var dict = initDictionary(void)
     for i in countDown(pred capture.len, 1):
       let key = toSymbol capture[i].s