diff --git a/src/exchangedb/Makefile.am b/src/exchangedb/Makefile.am
index 4df9cb406..c2e87e5da 100644
--- a/src/exchangedb/Makefile.am
+++ b/src/exchangedb/Makefile.am
@@ -65,6 +65,9 @@ exchange-0004.sql: exchange-0004.sql.in 0004-*.sql
 	gcc -E -P -undef - < exchange-0004.sql.in 2>/dev/null | sed -e "s/--.*//" | awk 'NF' - >$@
 	chmod ugo-w $@
 
+check_SCRIPTS = \
+  test_idempotency.sh
+
 EXTRA_DIST = \
   exchangedb.conf \
   exchangedb-postgres.conf \
@@ -72,6 +75,7 @@ EXTRA_DIST = \
   test-exchange-db-postgres.conf \
   $(sqlinputs) \
   $(sql_DATA) \
+  $(check_SCRIPTS) \
   pg_template.h pg_template.c \
   pg_template.sh
 
@@ -311,6 +315,7 @@ noinst_PROGRAMS = \
 
 AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH;
 TESTS = \
+  $(check_SCRIPTS) \
   $(check_PROGRAMS)
 
 test_exchangedb_postgres_SOURCES = \
diff --git a/src/exchangedb/test_idempotency.sh b/src/exchangedb/test_idempotency.sh
new file mode 100755
index 000000000..1f42e67aa
--- /dev/null
+++ b/src/exchangedb/test_idempotency.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+# This file is in the public domain.
+set -eu
+echo "Initializing DB"
+taler-exchange-dbinit -r test-exchange-db-postgres.conf
+echo "Re-initializing DB"
+taler-exchange-dbinit test-exchange-db-postgres.conf
+echo "Re-loading procedures"
+psql talercheck < procedures.sql
+exit 0