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-rw-r--r--src/exchange/taler-exchange-httpd_purses_get.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/exchange/taler-exchange-httpd_purses_get.c b/src/exchange/taler-exchange-httpd_purses_get.c
index e56cfe48..c17f4b07 100644
--- a/src/exchange/taler-exchange-httpd_purses_get.c
+++ b/src/exchange/taler-exchange-httpd_purses_get.c
@@ -428,8 +428,9 @@ TEH_handler_purses_get (struct TEH_RequestContext *rc,
&exchange_sig),
GNUNET_JSON_pack_data_auto ("exchange_pub",
&exchange_pub),
- GNUNET_JSON_pack_timestamp ("merge_timestamp",
- gc->merge_timestamp),
+ GNUNET_JSON_pack_allow_null (
+ GNUNET_JSON_pack_timestamp ("merge_timestamp",
+ gc->merge_timestamp)),
GNUNET_JSON_pack_timestamp ("deposit_timestamp",
dt)
);