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;