diff --git a/config/config.json b/config/config.json
index cd7e221e71..3dc386ce09 100644
--- a/config/config.json
+++ b/config/config.json
@@ -10,7 +10,7 @@
     "ServiceSettings": {
         "SiteName": "Mattermost",
         "Mode" : "dev",
-		"AllowTesting" : false,
+        "AllowTesting" : false,
         "UseSSL": false,
         "Port": "8065",
         "Version": "developer",
diff --git a/docker/0.6/config_docker.json b/docker/0.6/config_docker.json
index 157120b998..b1c72c4bd4 100644
--- a/docker/0.6/config_docker.json
+++ b/docker/0.6/config_docker.json
@@ -10,7 +10,7 @@
     "ServiceSettings": {
         "SiteName": "Mattermost",
         "Mode" : "dev",
-		"AllowTesting" : false,
+        "AllowTesting" : false,
         "UseSSL": false,
         "Port": "80",
         "Version": "developer",
@@ -63,8 +63,8 @@
         "SMTPUsername": "",
         "SMTPPassword": "",
         "SMTPServer": "",
-		"UseTLS": false,
-		"UseStartTLS": false,
+        "UseTLS": false,
+        "UseStartTLS": false,
         "FeedbackEmail": "",
         "FeedbackName": "",
         "ApplePushServer": "",
diff --git a/docker/0.7/config_docker.json b/docker/0.7/config_docker.json
index 794ac95aec..cbac2ea69c 100644
--- a/docker/0.7/config_docker.json
+++ b/docker/0.7/config_docker.json
@@ -10,7 +10,7 @@
     "ServiceSettings": {
         "SiteName": "Mattermost",
         "Mode" : "dev",
-		"AllowTesting" : true,
+        "AllowTesting" : true,
         "UseSSL": false,
         "Port": "80",
         "Version": "developer",
@@ -65,8 +65,8 @@
         "SMTPUsername": "",
         "SMTPPassword": "",
         "SMTPServer": "",
-		"UseTLS": false,
-		"UseStartTLS": false,
+        "UseTLS": false,
+        "UseStartTLS": false,
         "FeedbackEmail": "",
         "FeedbackName": "",
         "ApplePushServer": "",
diff --git a/docker/dev/config_docker.json b/docker/dev/config_docker.json
index 794ac95aec..cbac2ea69c 100644
--- a/docker/dev/config_docker.json
+++ b/docker/dev/config_docker.json
@@ -10,7 +10,7 @@
     "ServiceSettings": {
         "SiteName": "Mattermost",
         "Mode" : "dev",
-		"AllowTesting" : true,
+        "AllowTesting" : true,
         "UseSSL": false,
         "Port": "80",
         "Version": "developer",
@@ -65,8 +65,8 @@
         "SMTPUsername": "",
         "SMTPPassword": "",
         "SMTPServer": "",
-		"UseTLS": false,
-		"UseStartTLS": false,
+        "UseTLS": false,
+        "UseStartTLS": false,
         "FeedbackEmail": "",
         "FeedbackName": "",
         "ApplePushServer": "",