diff --git a/scripts/backup b/scripts/backup
index fc5c764..96a872c 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -6,9 +6,19 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+source ../settings/scripts/detect_arch
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE APPLICATION NOT COMPATIBLE WITH ARM
+#=================================================
+
+if [ $architecture = "arm" ]
+then
+        ynh_die "WriteFreely not available on Arm"
+fi
+
 #=================================================
 # MANAGE SCRIPT FAILURE
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 7f71444..1f71445 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -6,9 +6,19 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+source detect_arch
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE APPLICATION NOT COMPATIBLE WITH ARM
+#=================================================
+
+if [ $architecture = "arm" ]
+then
+        ynh_die "WriteFreely not available on Arm"
+fi
+
 #=================================================
 # RETRIEVE ARGUMENTS
 #=================================================
diff --git a/scripts/detect_arch b/scripts/detect_arch
new file mode 100644
index 0000000..4e258d9
--- /dev/null
+++ b/scripts/detect_arch
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+if [ -n "$(uname -m | grep 64)" ]; then
+	architecture="x86-64"
+elif [ -n "$(uname -m | grep 86)" ]; then
+	architecture="i386"
+elif [ -n "$(uname -m | grep arm)" ]; then
+	architecture="arm"
+else
+	ynh_die "Unable to detect your achitecture, please open a bug describing \
+        your hardware and the result of the command \"uname -m\"." 1
+fi
diff --git a/scripts/install b/scripts/install
index bca64e6..c82e337 100755
--- a/scripts/install
+++ b/scripts/install
@@ -6,9 +6,19 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+source detect_arch
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE APPLICATION NOT COMPATIBLE WITH ARM
+#=================================================
+
+if [ $architecture = "arm" ]
+then
+        ynh_die "WriteFreely not available on Arm"
+fi
+
 #=================================================
 # MANAGE SCRIPT FAILURE
 #=================================================
@@ -20,12 +30,6 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
-arch=$(uname -m)
-if [[ $arch == arm* ]]
-then
-   ynh_die "WriteFreely not available on Arm"
-fi
-
 #=================================================
 # RETRIEVE ARGUMENTS FROM THE MANIFEST
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 79cb21c..7d890b0 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -6,9 +6,19 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+source detect_arch
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE APPLICATION NOT COMPATIBLE WITH ARM
+#=================================================
+
+if [ $architecture = "arm" ]
+then
+        ynh_die "WriteFreely not available on Arm"
+fi
+
 #=================================================
 # LOAD SETTINGS
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index a427469..24978a3 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -6,9 +6,19 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+source ../settings/scripts/detect_arch
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE APPLICATION NOT COMPATIBLE WITH ARM
+#=================================================
+
+if [ $architecture = "arm" ]
+then
+        ynh_die "WriteFreely not available on Arm"
+fi
+
 #=================================================
 # MANAGE SCRIPT FAILURE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index ebdca4f..d27f63d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -6,9 +6,19 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+source detect_arch
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE APPLICATION NOT COMPATIBLE WITH ARM
+#=================================================
+
+if [ $architecture = "arm" ]
+then
+        ynh_die "WriteFreely not available on Arm"
+fi
+
 #=================================================
 # LOAD SETTINGS
 #=================================================