diff --git a/CHANGELOG.md b/CHANGELOG.md
index d465ded..28ca7d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 * task-ssh-server is removed (see #18).
 * task-french and task-english are removed (see #18).
 * Ensure to have minimal documentation available on the system.
+* Do not use wireless interface for installation (see #19).
 
 ### Fix
 * Leave standard task in peace to be able to have a X session for user's nodes… (see #17).
diff --git a/preseed/debian/stretch/preseed.cinnamon.uefi.cfg b/preseed/debian/stretch/preseed.cinnamon.uefi.cfg
index 7848aa5..78eb26e 100644
--- a/preseed/debian/stretch/preseed.cinnamon.uefi.cfg
+++ b/preseed/debian/stretch/preseed.cinnamon.uefi.cfg
@@ -39,6 +39,9 @@ d-i   keyboard-configuration/xkb-keymap           select      French
 ## Network configuration
 #####################################################################
 
+# Disable that annoying WEP key dialog.
+d-i   netcfg/wireless_wep                         string
+
 # To set a different link detection timeout (default is 3 seconds).
 # Values are interpreted as seconds.
 d-i   netcfg/link_detection_timeout               string      20
diff --git a/preseed/debian/stretch/preseed_cinnamon.cfg b/preseed/debian/stretch/preseed_cinnamon.cfg
index 07212a5..55c30c5 100644
--- a/preseed/debian/stretch/preseed_cinnamon.cfg
+++ b/preseed/debian/stretch/preseed_cinnamon.cfg
@@ -39,6 +39,9 @@ d-i   keyboard-configuration/xkb-keymap           select      French
 ## Network configuration
 #####################################################################
 
+# Disable that annoying WEP key dialog.
+d-i   netcfg/wireless_wep                         string
+
 # To set a different link detection timeout (default is 3 seconds).
 # Values are interpreted as seconds.
 d-i   netcfg/link_detection_timeout               string      20
diff --git a/preseed/debian/stretch/preseed_gnome.cfg b/preseed/debian/stretch/preseed_gnome.cfg
index 7af2475..4cb7fc6 100644
--- a/preseed/debian/stretch/preseed_gnome.cfg
+++ b/preseed/debian/stretch/preseed_gnome.cfg
@@ -39,6 +39,9 @@ d-i   keyboard-configuration/xkb-keymap           select      French
 ## Network configuration
 #####################################################################
 
+# Disable that annoying WEP key dialog.
+d-i   netcfg/wireless_wep                         string
+
 # To set a different link detection timeout (default is 3 seconds).
 # Values are interpreted as seconds.
 d-i   netcfg/link_detection_timeout               string      20
diff --git a/preseed/debian/stretch/preseed_mate.cfg b/preseed/debian/stretch/preseed_mate.cfg
index b688f14..6f608d3 100644
--- a/preseed/debian/stretch/preseed_mate.cfg
+++ b/preseed/debian/stretch/preseed_mate.cfg
@@ -39,6 +39,9 @@ d-i   keyboard-configuration/xkb-keymap           select      French
 ## Network configuration
 #####################################################################
 
+# Disable that annoying WEP key dialog.
+d-i   netcfg/wireless_wep                         string
+
 # To set a different link detection timeout (default is 3 seconds).
 # Values are interpreted as seconds.
 d-i   netcfg/link_detection_timeout               string      20