X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=tests%2Futils%2Fenv.sh.in;h=77e0c443ec9f00b8e96f3d27e48eba5091efc226;hp=184389df3540c21440d44cb7917c59ecf7d367c0;hb=HEAD;hpb=579b3f153e54a498557866a7b3ef571a4893b8e9

diff --git a/tests/utils/env.sh.in b/tests/utils/env.sh.in
index 184389df..77e0c443 100644
--- a/tests/utils/env.sh.in
+++ b/tests/utils/env.sh.in
@@ -9,7 +9,7 @@ _set_var_def() {
 	local -r varname=$1
 	local -r val=$2
 
-	if [[ -z $(eval echo "\$$varname") ]]; then
+	if [[ -z $(eval echo "\${$varname:-}") ]]; then
 		eval "$varname='$val'"
 	fi