diff --git a/cmd/kwild/config/default_config.toml b/cmd/kwild/config/default_config.toml
index dfc5b7c03..828caf536 100644
--- a/cmd/kwild/config/default_config.toml
+++ b/cmd/kwild/config/default_config.toml
@@ -315,7 +315,7 @@ chunk_request_timeout = "10s"
 prometheus = false
 
 # listen address for prometheus metrics
-prometheus_listen_addr = "tcp://0.0.0.0:26660"
+prometheus_listen_addr = "0.0.0.0:26660"
 
 # Maximum number of simultaneous connections.
 # 0 - unlimited.
diff --git a/cmd/kwild/config/test_data/config.toml b/cmd/kwild/config/test_data/config.toml
index ce73dd041..c0063adc8 100644
--- a/cmd/kwild/config/test_data/config.toml
+++ b/cmd/kwild/config/test_data/config.toml
@@ -308,7 +308,7 @@ chunk_request_timeout = "10s"
 prometheus = true
 
 # listen address for prometheus metrics
-prometheus_listen_addr = "tcp://9.8.7.6:20660"
+prometheus_listen_addr = "9.8.7.6:20660"
 
 # Maximum number of simultaneous connections.
 # 0 - unlimited.