diff --git a/config/environments/development.js.example b/config/environments/development.js.example
index d58c8a97..55cda5ba 100644
--- a/config/environments/development.js.example
+++ b/config/environments/development.js.example
@@ -55,7 +55,7 @@ var config = {
     ,socket_timeout: 600000
     ,enable_cors: true
     ,cache_enabled: false
-    ,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler]) !!!:res[X-Tiler-Errors]'
+    ,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler]) (:res[X-Tiler-Errors])'
     // If log_filename is given logs will be written
     // there, in append mode. Otherwise stdout is used (default).
     // Log file will be re-opened on receiving the HUP signal
diff --git a/config/environments/production.js.example b/config/environments/production.js.example
index 4e59bde4..3904d46e 100644
--- a/config/environments/production.js.example
+++ b/config/environments/production.js.example
@@ -55,7 +55,7 @@ var config = {
     ,socket_timeout: 600000
     ,enable_cors: true
     ,cache_enabled: true
-    ,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler]) !!!:res[X-Tiler-Errors]'
+    ,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler]) (:res[X-Tiler-Errors])'
     // If log_filename is given logs will be written
     // there, in append mode. Otherwise stdout is used (default).
     // Log file will be re-opened on receiving the HUP signal
diff --git a/config/environments/staging.js.example b/config/environments/staging.js.example
index 8a9138b8..15031991 100644
--- a/config/environments/staging.js.example
+++ b/config/environments/staging.js.example
@@ -55,7 +55,7 @@ var config = {
     ,socket_timeout: 600000
     ,enable_cors: true
     ,cache_enabled: true
-    ,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms (:res[X-Tiler-Profiler]) -> :res[Content-Type] !!!:res[X-Tiler-Errors]'
+    ,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms (:res[X-Tiler-Profiler]) -> :res[Content-Type] (:res[X-Tiler-Errors])'
     // If log_filename is given logs will be written
     // there, in append mode. Otherwise stdout is used (default).
     // Log file will be re-opened on receiving the HUP signal
diff --git a/config/environments/test.js.example b/config/environments/test.js.example
index fdd301bb..43ebf844 100644
--- a/config/environments/test.js.example
+++ b/config/environments/test.js.example
@@ -54,7 +54,7 @@ var config = {
     ,socket_timeout: 600000
     ,enable_cors: true
     ,cache_enabled: false
-    ,log_format: '[:date] :req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler]) !!!:res[X-Tiler-Errors]'
+    ,log_format: '[:date] :req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler]) (:res[X-Tiler-Errors])'
     // If log_filename is given logs will be written
     // there, in append mode. Otherwise stdout is used (default).
     // Log file will be re-opened on receiving the HUP signal