diff --git a/manifest.json b/manifest.json
index f54d1a2..5fa13ef 100644
--- a/manifest.json
+++ b/manifest.json
@@ -25,7 +25,7 @@
 				"name": "domain",
 				"type": "domain",
 				"ask": {
-					"en": "Choose a domain:",
+					"en": "Choose a domain:"
 				},
 				"example": "domain.org"
 			},
diff --git a/scripts/install b/scripts/install
index 6567456..6333d2e 100755
--- a/scripts/install
+++ b/scripts/install
@@ -5,7 +5,7 @@
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
-
+set -eu
 source _common.sh
 source /usr/share/yunohost/helpers
 
diff --git a/scripts/remove b/scripts/remove
index fbd8064..4110252 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -5,7 +5,7 @@
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
-
+set -eu
 source _common.sh
 source /usr/share/yunohost/helpers
 
diff --git a/scripts/upgrade b/scripts/upgrade
index c0b3296..033c750 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -5,7 +5,7 @@
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
-
+set -eu
 source _common.sh
 source /usr/share/yunohost/helpers