diff --git a/tests/test_env.sh.in b/tests/test_env.sh.in
index 619ea74..17ee1f5 100644
--- a/tests/test_env.sh.in
+++ b/tests/test_env.sh.in
@@ -30,6 +30,9 @@ Msys|CYGWIN*) PATH_SEP=";";;
 Haiku) LIBRARY_PATH_ENV="BELIBRARIES";;
 esac
 
+prefix="@prefix@"
+exec_prefix="@exec_prefix@"
+datarootdir="@datarootdir@"
 pcpath="@PKG_DEFAULT_PATH@"
 
 tests_init()