4 files changed, 7 insertions, 0 deletions
diff --git a/src/exchange-lib/Makefile.am b/src/exchange-lib/Makefile.am
index 10188c8fe..49cb234a1 100644
--- a/src/exchange-lib/Makefile.am
+++ b/src/exchange-lib/Makefile.am
@@ -45,6 +45,8 @@ endif
 check_PROGRAMS = \
   test_exchange_api
 
+AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH;
+
 TESTS = \
   $(check_PROGRAMS)
 
diff --git a/src/exchange/Makefile.am b/src/exchange/Makefile.am
index 18a7c1b54..3375a41d5 100644
--- a/src/exchange/Makefile.am
+++ b/src/exchange/Makefile.am
@@ -74,6 +74,8 @@ test_taler_exchange_aggregator_postgres_LDADD = \
 check_PROGRAMS = \
   test_taler_exchange_aggregator-postgres
 
+AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH;
+
 TESTS = \
   $(check_SCRIPTS) \
   $(check_PROGRAMS)
diff --git a/src/exchangedb/Makefile.am b/src/exchangedb/Makefile.am
index d56d6676a..416d5688f 100644
--- a/src/exchangedb/Makefile.am
+++ b/src/exchangedb/Makefile.am
@@ -53,6 +53,7 @@ check_PROGRAMS = \
   test-perf-taler-exchangedb \
   perf-exchangedb
 
+AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH;
 TESTS = \
   test-exchangedb-postgres \
   test-perf-taler-exchangedb
diff --git a/src/wire/Makefile.am b/src/wire/Makefile.am
index 67a559a36..fd59c8eb7 100644
--- a/src/wire/Makefile.am
+++ b/src/wire/Makefile.am
@@ -62,6 +62,8 @@ libtalerwire_la_LDFLAGS = \
   -export-dynamic -no-undefined
 
 
+AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH;
+
 TESTS = \
  test_sepa_wireformat