diff --git a/api/client/webclient/webclient.go b/api/client/webclient/webclient.go
index 82557ccc09a33..c501b92fe00d4 100644
--- a/api/client/webclient/webclient.go
+++ b/api/client/webclient/webclient.go
@@ -300,7 +300,7 @@ type PingResponse struct {
 	// ToolsVersion defines the version of {tsh, tctl} for client auto-upgrade.
 	ToolsVersion string `json:"tools_version"`
 	// ToolsAutoupdate enables client autoupdate feature.
-	ToolsAutoupdate bool `json:"tools_auto_update"`
+	ToolsAutoupdate bool `json:"tools_autoupdate"`
 	// ClusterName contains the name of the Teleport cluster.
 	ClusterName string `json:"cluster_name"`
 
diff --git a/api/gen/proto/go/teleport/autoupdate/v1/autoupdate.pb.go b/api/gen/proto/go/teleport/autoupdate/v1/autoupdate.pb.go
index 90b54ce369b5a..655109bc811a3 100644
--- a/api/gen/proto/go/teleport/autoupdate/v1/autoupdate.pb.go
+++ b/api/gen/proto/go/teleport/autoupdate/v1/autoupdate.pb.go
@@ -122,8 +122,8 @@ type AutoupdateConfigSpec struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// ToolsAutoUpdate encodes the feature flag to enable/disable tools autoupdates.
-	ToolsAutoUpdate bool `protobuf:"varint,1,opt,name=tools_auto_update,json=toolsAutoUpdate,proto3" json:"tools_auto_update,omitempty"`
+	// ToolsAutoupdate encodes the feature flag to enable/disable tools autoupdates.
+	ToolsAutoupdate bool `protobuf:"varint,1,opt,name=tools_autoupdate,json=toolsAutoupdate,proto3" json:"tools_autoupdate,omitempty"`
 }
 
 func (x *AutoupdateConfigSpec) Reset() {
@@ -158,9 +158,9 @@ func (*AutoupdateConfigSpec) Descriptor() ([]byte, []int) {
 	return file_teleport_autoupdate_v1_autoupdate_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *AutoupdateConfigSpec) GetToolsAutoUpdate() bool {
+func (x *AutoupdateConfigSpec) GetToolsAutoupdate() bool {
 	if x != nil {
-		return x.ToolsAutoUpdate
+		return x.ToolsAutoupdate
 	}
 	return false
 }
@@ -317,35 +317,35 @@ var file_teleport_autoupdate_v1_autoupdate_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/api/proto/teleport/autoupdate/v1/autoupdate.proto b/api/proto/teleport/autoupdate/v1/autoupdate.proto
index cce99cc2e3556..82619f7b5031a 100644
--- a/api/proto/teleport/autoupdate/v1/autoupdate.proto
+++ b/api/proto/teleport/autoupdate/v1/autoupdate.proto
@@ -33,8 +33,8 @@ message AutoupdateConfig {
 
 // AutoupdateConfigSpec encodes the parameters of the autoupdate config object.
 message AutoupdateConfigSpec {
-  // ToolsAutoUpdate encodes the feature flag to enable/disable tools autoupdates.
-  bool tools_auto_update = 1;
+  // ToolsAutoupdate encodes the feature flag to enable/disable tools autoupdates.
+  bool tools_autoupdate = 1;
 }
 
 // AutoupdateVersion is a resource singleton with version required for
diff --git a/lib/web/apiserver.go b/lib/web/apiserver.go
index 16a6b03221da7..ade82416e9a30 100644
--- a/lib/web/apiserver.go
+++ b/lib/web/apiserver.go
@@ -1458,7 +1458,7 @@ func (h *Handler) find(w http.ResponseWriter, r *http.Request, p httprouter.Para
 	if !trace.IsNotFound(err) && err != nil {
 		return nil, trace.Wrap(err)
 	} else if !trace.IsNotFound(err) {
-		response.ToolsAutoupdate = autoupdateConfig.GetSpec().GetToolsAutoUpdate()
+		response.ToolsAutoupdate = autoupdateConfig.GetSpec().GetToolsAutoupdate()
 	}
 
 	autoupdateVersion, err := h.GetAccessPoint().GetAutoupdateVersion(r.Context())
diff --git a/tool/tctl/common/autoupdate_command.go b/tool/tctl/common/autoupdate_command.go
index 10a0e4f202b5e..c9c0211e236ea 100644
--- a/tool/tctl/common/autoupdate_command.go
+++ b/tool/tctl/common/autoupdate_command.go
@@ -104,8 +104,8 @@ func (c *AutoupdateCommand) Upsert(ctx context.Context, client *authclient.Clien
 			return trace.Wrap(err)
 		}
 		isEnabled := c.toolsAutoupdate == "on"
-		if isEnabled != config.Spec.ToolsAutoUpdate {
-			config.Spec.ToolsAutoUpdate = isEnabled
+		if isEnabled != config.Spec.ToolsAutoupdate {
+			config.Spec.ToolsAutoupdate = isEnabled
 			if _, err := serviceClient.UpsertAutoupdateConfig(ctx, &autoupdate.UpsertAutoupdateConfigRequest{
 				Config: config,
 			}); err != nil {