diff --git a/changelog/unreleased/wopi-disable-chat.md b/changelog/unreleased/wopi-disable-chat.md
new file mode 100644
index 00000000000..a015752279a
--- /dev/null
+++ b/changelog/unreleased/wopi-disable-chat.md
@@ -0,0 +1,5 @@
+Enhancement: Allow disabling wopi chat
+
+Add a configreva for the new reva disable-chat feature
+
+https://github.com/owncloud/ocis/pull/6544
diff --git a/services/app-provider/pkg/config/config.go b/services/app-provider/pkg/config/config.go
index 87234339262..39d4c24a59d 100644
--- a/services/app-provider/pkg/config/config.go
+++ b/services/app-provider/pkg/config/config.go
@@ -69,6 +69,7 @@ type WOPIDriver struct {
 	AppInternalURL            string `yaml:"app_internal_url" env:"APP_PROVIDER_WOPI_APP_INTERNAL_URL" desc:"Internal URL to the app, like in your DMZ."`
 	AppName                   string `yaml:"app_name" env:"APP_PROVIDER_WOPI_APP_NAME" desc:"Human readable app name."`
 	AppURL                    string `yaml:"app_url" env:"APP_PROVIDER_WOPI_APP_URL" desc:"URL for end users to access the app."`
+	AppDisableChat            bool   `yaml:"app_disable_chat" env:"APP_PROVIDER_WOPI_DISABLE_CHAT" desc:"Disable the chat functionality of the office app."`
 	Insecure                  bool   `yaml:"insecure" env:"APP_PROVIDER_WOPI_INSECURE" desc:"Disable TLS certificate validation for requests to the WOPI server and the web office application. Do not set this in production environments."`
 	IopSecret                 string `yaml:"wopi_server_iop_secret" env:"APP_PROVIDER_WOPI_WOPI_SERVER_IOP_SECRET" desc:"Shared secret of the CS3org WOPI server."`
 	WopiURL                   string `yaml:"wopi_server_external_url" env:"APP_PROVIDER_WOPI_WOPI_SERVER_EXTERNAL_URL" desc:"External url of the CS3org WOPI server."`
diff --git a/services/app-provider/pkg/revaconfig/config.go b/services/app-provider/pkg/revaconfig/config.go
index d15b825b8de..84e7c814499 100644
--- a/services/app-provider/pkg/revaconfig/config.go
+++ b/services/app-provider/pkg/revaconfig/config.go
@@ -40,6 +40,7 @@ func AppProviderConfigFromStruct(cfg *config.Config) map[string]interface{} {
 							"app_int_url":                   cfg.Drivers.WOPI.AppInternalURL,
 							"app_name":                      cfg.Drivers.WOPI.AppName,
 							"app_url":                       cfg.Drivers.WOPI.AppURL,
+							"app_disable_chat":              cfg.Drivers.WOPI.AppDisableChat,
 							"insecure_connections":          cfg.Drivers.WOPI.Insecure,
 							"iop_secret":                    cfg.Drivers.WOPI.IopSecret,
 							"jwt_secret":                    cfg.TokenManager.JWTSecret,