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-rw-r--r--src/exchange/taler-exchange-httpd_keys.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/exchange/taler-exchange-httpd_keys.c b/src/exchange/taler-exchange-httpd_keys.c
index b7359392f..2a9a0097d 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -494,6 +494,8 @@ TEH_check_invariants ()
struct TEH_KeyStateHandle *ksh;
ksh = TEH_keys_get_state ();
+ if (NULL == ksh)
+ return;
GNUNET_CONTAINER_multihashmap_iterate (ksh->denomkey_map,
&check_dk,
NULL);