diff --git a/scripts/backup b/scripts/backup
index f2a09d9..380dd9b 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -3,7 +3,7 @@
 set -eu
 
 # Set app specific variables
-app="gogs"
+app=${APPNAME:-gogs}
 dbname=$app
 dbuser=$app
 
diff --git a/scripts/install b/scripts/install
index d46d97d..697935d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -12,7 +12,7 @@ is_public=$4
 source ./_common.sh
 
 # Set app specific variables
-app=$APPNAME
+app=${APPNAME:-gogs}
 dbname=$app
 dbuser=$app
 
diff --git a/scripts/remove b/scripts/remove
index 16ba888..c79e0be 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -4,7 +4,7 @@
 source ./_common.sh
 
 # Set app specific variables
-app=$APPNAME
+app=${APPNAME:-gogs}
 dbname=$app
 dbuser=$app
 
diff --git a/scripts/restore b/scripts/restore
index 6177844..9ac4245 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -3,7 +3,7 @@
 set -eu
 
 # Set app specific variables
-app="gogs"
+app=${APPNAME:-gogs}
 dbname=$app
 dbuser=$app
 
diff --git a/scripts/upgrade b/scripts/upgrade
index c1f85cd..a245738 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -6,7 +6,7 @@ set -eu
 source ./_common.sh
 
 # Set app specific variables
-app=$APPNAME
+app=${APPNAME:-gogs}
 dbname=$app
 dbuser=$app