1 files changed, 1 insertions, 1 deletions

diff --git a/src/experimentation/Makefile.am b/src/experimentation/Makefile.am
index a1bc93722..26a467393 100644
--- a/src/experimentation/Makefile.am
+++ b/src/experimentation/Makefile.am
@@ -25,7 +25,7 @@ check_PROGRAMS = \
  $(TEXT_EXP_CLIQUE)
 
 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 = \
  $(TEXT_EXP_CLIQUE)
 endif