diff --git a/services/groupware/pkg/config/config.go b/services/groupware/pkg/config/config.go
index e20b8ed6a2..5fdf6fdc0b 100644
--- a/services/groupware/pkg/config/config.go
+++ b/services/groupware/pkg/config/config.go
@@ -23,6 +23,8 @@ type Config struct {
 	TokenManager *TokenManager `yaml:"token_manager"`
 
 	Context context.Context `yaml:"-"`
+
+	EnableMockData bool `env:"GROUPWARE_ENABLE_MOCK_DATA"`
 }
 
 type MailMasterAuth struct {
diff --git a/services/groupware/pkg/config/defaults/defaultconfig.go b/services/groupware/pkg/config/defaults/defaultconfig.go
index cc181dc822..7e2e502029 100644
--- a/services/groupware/pkg/config/defaults/defaultconfig.go
+++ b/services/groupware/pkg/config/defaults/defaultconfig.go
@@ -58,6 +58,7 @@ func DefaultConfig() *config.Config {
 		Service: config.Service{
 			Name: "groupware",
 		},
+		EnableMockData: false,
 	}
 }
 
diff --git a/services/groupware/pkg/groupware/framework.go b/services/groupware/pkg/groupware/framework.go
index 848e5c730e..538dc5da08 100644
--- a/services/groupware/pkg/groupware/framework.go
+++ b/services/groupware/pkg/groupware/framework.go
@@ -399,7 +399,7 @@ func NewGroupware(config *config.Config, logger *log.Logger, mux *chi.Mux, prome
 			addressBookListSuppliers = append(addressBookListSuppliers, j)
 			contactCardQuerySuppliers = append(contactCardQuerySuppliers, j)
 		}
-		{
+		if config.EnableMockData {
 			m := newMockContactCardSupplier()
 			addressBookListSuppliers = append(addressBookListSuppliers, m)
 			contactCardQuerySuppliers = append(contactCardQuerySuppliers, m)