diff --git a/test/data/json_roundtrip/roundtrip30.json b/test/data/json_roundtrip/roundtrip30.json
index fd357651..e9a26643 100644
--- a/test/data/json_roundtrip/roundtrip30.json
+++ b/test/data/json_roundtrip/roundtrip30.json
@@ -1 +1 @@
-[1.2345E-30]
\ No newline at end of file
+[1.2345e-30]
\ No newline at end of file
diff --git a/test/data/json_roundtrip/roundtrip31.json b/test/data/json_roundtrip/roundtrip31.json
index 1428d144..d6f34011 100644
--- a/test/data/json_roundtrip/roundtrip31.json
+++ b/test/data/json_roundtrip/roundtrip31.json
@@ -1 +1 @@
-[1.2345E+30]
\ No newline at end of file
+[1.2345e+30]
\ No newline at end of file