diff --git a/cmd/configuration.go b/cmd/configuration.go
index 49c9dd742..fdd99de30 100644
--- a/cmd/configuration.go
+++ b/cmd/configuration.go
@@ -220,7 +220,7 @@ func NewTraefikDefaultPointersConfiguration() *TraefikConfiguration {
 			SamplingServerURL:  "http://localhost:5778/sampling",
 			SamplingType:       "const",
 			SamplingParam:      1.0,
-			LocalAgentHostPort: "127.0.0.1:6832",
+			LocalAgentHostPort: "127.0.0.1:6831",
 		},
 		Zipkin: &zipkin.Config{
 			HTTPEndpoint: "http://localhost:9411/api/v1/spans",
diff --git a/configuration/configuration.go b/configuration/configuration.go
index d29bb4465..260391822 100644
--- a/configuration/configuration.go
+++ b/configuration/configuration.go
@@ -327,7 +327,7 @@ func (gc *GlobalConfiguration) initTracing() {
 					SamplingServerURL:  "http://localhost:5778/sampling",
 					SamplingType:       "const",
 					SamplingParam:      1.0,
-					LocalAgentHostPort: "127.0.0.1:6832",
+					LocalAgentHostPort: "127.0.0.1:6831",
 				}
 			}
 			if gc.Tracing.Zipkin != nil {
diff --git a/configuration/configuration_test.go b/configuration/configuration_test.go
index e8c5e7b47..2ea462d0b 100644
--- a/configuration/configuration_test.go
+++ b/configuration/configuration_test.go
@@ -139,7 +139,7 @@ func TestSetEffectiveConfigurationTracing(t *testing.T) {
 					SamplingServerURL:  "http://localhost:5778/sampling",
 					SamplingType:       "const",
 					SamplingParam:      1.0,
-					LocalAgentHostPort: "127.0.0.1:6832",
+					LocalAgentHostPort: "127.0.0.1:6831",
 				},
 				Zipkin: nil,
 			},
@@ -152,7 +152,7 @@ func TestSetEffectiveConfigurationTracing(t *testing.T) {
 					SamplingServerURL:  "http://localhost:5778/sampling",
 					SamplingType:       "const",
 					SamplingParam:      1.0,
-					LocalAgentHostPort: "127.0.0.1:6832",
+					LocalAgentHostPort: "127.0.0.1:6831",
 				},
 			},
 			expected: &tracing.Tracing{
@@ -174,7 +174,7 @@ func TestSetEffectiveConfigurationTracing(t *testing.T) {
 					SamplingServerURL:  "http://localhost:5778/sampling",
 					SamplingType:       "const",
 					SamplingParam:      1.0,
-					LocalAgentHostPort: "127.0.0.1:6832",
+					LocalAgentHostPort: "127.0.0.1:6831",
 				},
 				Zipkin: &zipkin.Config{
 					HTTPEndpoint: "http://powpow:9411/api/v1/spans",
diff --git a/docs/configuration/tracing.md b/docs/configuration/tracing.md
index b8d2d50a3..60ca7aba2 100644
--- a/docs/configuration/tracing.md
+++ b/docs/configuration/tracing.md
@@ -48,11 +48,14 @@ Træfik supports two backends: Jaeger and Zipkin.
 
     # Local Agent Host Port instructs reporter to send spans to jaeger-agent at this address
     #
-    # Default: "127.0.0.1:6832"
+    # Default: "127.0.0.1:6831"
     #
-    localAgentHostPort = "127.0.0.1:6832"
+    localAgentHostPort = "127.0.0.1:6831"
 ```
 
+!!! warning
+    Træfik is only able to send data over compact thrift protocol to the [Jaeger agent](https://www.jaegertracing.io/docs/deployment/#agent). 
+
 ## Zipkin
 
 ```toml