diff --git a/_build/default/tests/reftests/env.test b/_build/default/tests/reftests/env.out
index 981afd3..1bbb7e0 100644
--- a/_build/default/tests/reftests/env.test
+++ b/_build/default/tests/reftests/env.out
@@ -609,6 +609,7 @@ OPAMSWITCH=bd
 OPAM_PACKAGE_NAME=to-build
 OPAM_PACKAGE_VERSION=2
 OPAM_SWITCH_PREFIX=${BASEDIR}/OPAM/bd
+__CF_USER_TEXT_ENCODING=0x1F5:0x0:0x0
 PATH=${BASEDIR}/OPAM/bd/bin
 ### opam remove to-build
 The following actions will be performed:
@@ -650,4 +651,5 @@ OPAMSWITCH=bd
 OPAM_PACKAGE_NAME=another-package
 OPAM_PACKAGE_VERSION=another-version
 OPAM_SWITCH_PREFIX=${BASEDIR}/OPAM/bd
+__CF_USER_TEXT_ENCODING=0x1F5:0x0:0x0
 PATH=${BASEDIR}/OPAM/bd/bin:another-path