diff -Naur a/src/jv.c b/src/jv.c
--- a/src/jv.c 2022-03-08 12:42:41.169813593 -0800
+++ b/src/jv.c 2022-03-08 12:43:28.189080921 -0800
@@ -308,6 +308,7 @@
n->refcnt = JV_REFCNT_INIT;
n->literal_data = NULL;
decContext *ctx = DEC_CONTEXT();
+ decContextClearStatus(ctx, DEC_Conversion_syntax);
decNumberFromString(&n->num_decimal, literal, ctx);
n->num_double = NAN;