diff --git a/dnscrypt-proxy/plugins.go b/dnscrypt-proxy/plugins.go
index f3d33189b3..72ba21fd1e 100644
--- a/dnscrypt-proxy/plugins.go
+++ b/dnscrypt-proxy/plugins.go
@@ -105,7 +105,9 @@ func (proxy *Proxy) InitPluginsGlobals() error {
 		*queryPlugins = append(*queryPlugins, Plugin(new(PluginAllowName)))
 	}
 
-	*queryPlugins = append(*queryPlugins, Plugin(new(PluginFirefox)))
+	if len(proxy.localDoHListenAddresses) != 0 {
+		*queryPlugins = append(*queryPlugins, Plugin(new(PluginFirefox)))
+	}
 
 	if len(proxy.ednsClientSubnets) != 0 {
 		*queryPlugins = append(*queryPlugins, Plugin(new(PluginECS)))