diff --git a/feeds/ucentral/uspot/files/usr/share/uspot/accounting.uc b/feeds/ucentral/uspot/files/usr/share/uspot/accounting.uc
index 37b5fa2f7..f5195c81d 100755
--- a/feeds/ucentral/uspot/files/usr/share/uspot/accounting.uc
+++ b/feeds/ucentral/uspot/files/usr/share/uspot/accounting.uc
@@ -73,11 +73,15 @@ function radius_init(interface, mac, payload) {
 }
 
 function radius_call(interface, mac, payload) {
-	let cfg = fs.open('/tmp/acct' + mac + '.json', 'w');
+	let path = '/tmp/uacct' + mac + '.json';
+	let cfg = fs.open(path, 'w');
 	cfg.write(payload);
 	cfg.close();
 
-	system('/usr/bin/radius-client /tmp/acct' + mac + '.json');
+	system('/usr/bin/radius-client ' + path);
+
+	if (!+config[interface].debug)
+		fs.unlink(path);
 }
 
 function radius_stop(interface, mac, payload, remove) {
diff --git a/feeds/ucentral/uspot/files/usr/share/uspot/common.uc b/feeds/ucentral/uspot/files/usr/share/uspot/common.uc
index 8328afe4a..6f0ac0fd7 100644
--- a/feeds/ucentral/uspot/files/usr/share/uspot/common.uc
+++ b/feeds/ucentral/uspot/files/usr/share/uspot/common.uc
@@ -221,13 +221,19 @@ return {
 		return payload;
 	},
 
+	// call radius-client with the provided payload and return reply
 	radius_call: function(ctx, payload) {
-		let type = payload.acct ? 'acct' : 'auth';
-		let cfg = fs.open('/tmp/' + type + ctx.mac + '.json', 'w');
+		let path = '/tmp/' + (payload.acct ? 'acct' : 'auth') + ctx.mac + '.json';
+		let cfg = fs.open(path, 'w');
 		cfg.write(payload);
 		cfg.close();
 
-		return this.fs_popen('/usr/bin/radius-client /tmp/' + type + ctx.mac + '.json');
+		let reply = this.fs_popen('/usr/bin/radius-client ' + path);
+
+		if (!+config.def_captive.debug)
+			fs.unlink(path);
+
+		return reply;
 	},
 
 	uam_url: function(ctx, res) {