diff --git a/scripts/backup b/scripts/backup
index 04502f6..8a4425b 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -12,7 +12,7 @@ source ./_common.sh
 
 # Source YunoHost helpers if exists.
 # If not, source backported helpers from file.
-if [ -d "/usr/share/yunohost/helpers" ]; then
+if [ -a "/usr/share/yunohost/helpers" ]; then
   source /usr/share/yunohost/helpers
 else
   source ./_helpers.sh
diff --git a/scripts/install b/scripts/install
index ffd0933..ab745cd 100644
--- a/scripts/install
+++ b/scripts/install
@@ -20,7 +20,7 @@ source ./_common.sh
 
 # Source YunoHost helpers if exists.
 # If not, source backported helpers from file.
-if [ -d "/usr/share/yunohost/helpers" ]; then
+if [ -a "/usr/share/yunohost/helpers" ]; then
   source /usr/share/yunohost/helpers
 else
   source ./_helpers.sh
diff --git a/scripts/remove b/scripts/remove
index a44eba1..9294d00 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -7,7 +7,7 @@ source ./_common.sh
 
 # Source YunoHost helpers if exists.
 # If not, source backported helpers from file.
-if [ -d "/usr/share/yunohost/helpers" ]; then
+if [ -a "/usr/share/yunohost/helpers" ]; then
   source /usr/share/yunohost/helpers
 else
   source ./_helpers.sh
diff --git a/scripts/restore b/scripts/restore
index b36261b..62b29b4 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -12,7 +12,7 @@ source ./_common.sh
 
 # Source YunoHost helpers if exists.
 # If not, source backported helpers from file.
-if [ -d "/usr/share/yunohost/helpers" ]; then
+if [ -a "/usr/share/yunohost/helpers" ]; then
   source /usr/share/yunohost/helpers
 else
   source ./_helpers.sh
diff --git a/scripts/upgrade b/scripts/upgrade
index 1826d96..6c898e1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -10,7 +10,7 @@ source ./_common.sh
 
 # Source YunoHost helpers if exists.
 # If not, source backported helpers from file.
-if [ -d "/usr/share/yunohost/helpers" ]; then
+if [ -a "/usr/share/yunohost/helpers" ]; then
   source /usr/share/yunohost/helpers
 else
   source ./_helpers.sh