1 files changed, 1 insertions, 1 deletions

diff --git a/src/topology/Makefile.am b/src/topology/Makefile.am
index b8b534a0a..97bc28bd2 100644
--- a/src/topology/Makefile.am
+++ b/src/topology/Makefile.am
@@ -46,7 +46,7 @@ check_PROGRAMS = \
 endif
 
 if ENABLE_TEST_RUN
-TESTS_ENVIRONMENT=export GNUNET_PREFIX=@libdir@;export PATH=@prefix@/bin:$$PATH;
+AM_TESTS_ENVIRONMENT=export GNUNET_PREFIX=$${GNUNET_PREFIX:-@libdir@};export PATH=$${GNUNET_PREFIX:-@prefix@}/bin:$$PATH;
 TESTS = $(check_PROGRAMS)
 endif