diff --git a/configs/api.json b/configs/api.json
index 6563585..2dc93e4 100644
--- a/configs/api.json
+++ b/configs/api.json
@@ -1,6 +1,6 @@
 {
   "threads": 2,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {
diff --git a/configs/payout.json b/configs/payout.json
index 7183497..96dfaed 100644
--- a/configs/payout.json
+++ b/configs/payout.json
@@ -1,6 +1,6 @@
 {
   "threads": 2,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {
diff --git a/configs/stratum2b.json b/configs/stratum2b.json
index 1a477c8..c709b8d 100644
--- a/configs/stratum2b.json
+++ b/configs/stratum2b.json
@@ -1,6 +1,6 @@
 {
   "threads": 2,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {
diff --git a/configs/stratum4b.json b/configs/stratum4b.json
index b2f2f0b..cfe28ae 100644
--- a/configs/stratum4b.json
+++ b/configs/stratum4b.json
@@ -1,6 +1,6 @@
 {
   "threads": 4,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {
diff --git a/configs/stratum8b.json b/configs/stratum8b.json
index b9d9eba..20768b7 100644
--- a/configs/stratum8b.json
+++ b/configs/stratum8b.json
@@ -1,6 +1,6 @@
 {
   "threads": 8,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {
diff --git a/configs/stratum9b.json b/configs/stratum9b.json
index fba4ccf..fa70b4f 100644
--- a/configs/stratum9b.json
+++ b/configs/stratum9b.json
@@ -1,6 +1,6 @@
 {
   "threads": 8,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {
diff --git a/configs/unlocker.json b/configs/unlocker.json
index b76f5be..e7b1a9c 100644
--- a/configs/unlocker.json
+++ b/configs/unlocker.json
@@ -1,6 +1,6 @@
 {
   "threads": 2,
-  "coin": "prkl",
+  "coin": "etc",
   "name": "main",
   "pplns": 9000,
   "proxy": {