diff --git a/debian/resources/nginx.sh b/debian/resources/nginx.sh
index 8f6a224..6f3152d 100755
--- a/debian/resources/nginx.sh
+++ b/debian/resources/nginx.sh
@@ -11,9 +11,10 @@ cd "$(dirname "$0")"
 #send a message
 verbose "Installing the web server"
 
-arch=$(uname -m)
+
 real_os=$(lsb_release -is)
 codename=$(lsb_release -cs)
+
 #if [ ."$cpu_architecture" = ."arm" ]; then
         #9.x - */stretch/
         #8.x - */jessie/
@@ -42,6 +43,11 @@ else
 fi
 apt-get update
 
+#use php version 5 for arm
+if [ .$cpu_architecture = .'arm' ]; then
+        php_version=5
+fi
+
 #install dependencies
 apt-get install -y nginx
 if [ ."$php_version" = ."5" ]; then