diff --git a/packages/apps/frenet/scripts/tests.sh b/packages/apps/frenet/scripts/tests.sh
index 31b9c4344..1a4da8272 100644
--- a/packages/apps/frenet/scripts/tests.sh
+++ b/packages/apps/frenet/scripts/tests.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ -z ${FRENET_TOKEN+x} ]; then
+if [ -z "$FRENET_TOKEN" ]; then
   echo -e "FRENET_TOKEN not set\n"
 else
   node --test tests/
diff --git a/packages/apps/mercadopago/scripts/tests.sh b/packages/apps/mercadopago/scripts/tests.sh
index b1c903f00..ef15a2113 100644
--- a/packages/apps/mercadopago/scripts/tests.sh
+++ b/packages/apps/mercadopago/scripts/tests.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ -z ${MERCADOPAGO_TOKEN+x} ]; then
+if [ -z "$MERCADOPAGO_TOKEN" ]; then
   echo -e "MERCADOPAGO_TOKEN not set\n"
 else
   node --test tests/