diff --git a/Dockerfile b/Dockerfile
index 44f4606..af2a76b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN \
   mkdir -p /var/log/named && \
   chown -R named:named /etc/named/zones /var/log/named && \
   sed -i s,/etc/bind,/etc/named/zones, /etc/passwd && \
-  echo 'named ALL=(ALL) NOPASSWD: /bin/chown, /bin/chmod' >> /etc/sudoers
+  echo 'named ALL=(ALL) NOPASSWD: /bin/chown, /bin/chmod, /usr/sbin/rndc-confgen' >> /etc/sudoers
 
 COPY named.conf /etc/named/
 COPY rndc.conf /etc/named/
diff --git a/start.sh b/start.sh
index 0c47bbb..92824ac 100755
--- a/start.sh
+++ b/start.sh
@@ -11,7 +11,7 @@ sudo chmod -R 750 /etc/named/zones
 # Generate rndc key if it doesn't exist
 if [ ! -f /etc/named/rndc.key ]; then
     echo "Generating new rndc key..."
-    sudo rndc-confgen -a -k rndc-key -c /etc/named/rndc.key
+    sudo /usr/sbin/rndc-confgen -a -k rndc-key -c /etc/named/rndc.key
     echo "Generated rndc key:"
 else
     echo "Using existing rndc key"