diff --git a/src/etc/inc/plugins.inc.d/unbound.inc b/src/etc/inc/plugins.inc.d/unbound.inc
index 14e8826ce..79c121f99 100644
--- a/src/etc/inc/plugins.inc.d/unbound.inc
+++ b/src/etc/inc/plugins.inc.d/unbound.inc
@@ -408,7 +408,7 @@ function unbound_configure_do($verbose = false, $interface = '')
 {
     global $config;
 
-    if (!unbound_interface($interface)) {
+    if (!unbound_interface($interface) && isvalidpid('/var/run/unbound.pid')) {
         return;
     }