diff --git a/changelog/unreleased/fix-jsoncs3-config-options.md b/changelog/unreleased/fix-jsoncs3-config-options.md
new file mode 100644
index 000000000..e62720b4c
--- /dev/null
+++ b/changelog/unreleased/fix-jsoncs3-config-options.md
@@ -0,0 +1,13 @@
+Bugfix: Fix sharing jsoncs3 driver options
+
+We've fixed the environment variable config options of the jsoncs3 driver that previously
+used the same environment variables as the cs3 driver.
+Now the jsoncs3 driver has it's own configuration environment variables.
+
+If you used the jsoncs3 sharing driver and explicitly set `SHARING_PUBLIC_CS3_SYSTEM_USER_ID`,
+this PR is a breaking change for your deployment. To workaround you may set the value you had
+configured in `SHARING_PUBLIC_CS3_SYSTEM_USER_ID` to both `SHARING_PUBLIC_JSONCS3_SYSTEM_USER_ID`
+and `SHARING_PUBLIC_JSONCS3_SYSTEM_USER_IDP`.
+
+
+https://github.com/owncloud/ocis/pull/4593
diff --git a/services/sharing/pkg/config/config.go b/services/sharing/pkg/config/config.go
index a6b815a1b..a68167e5a 100644
--- a/services/sharing/pkg/config/config.go
+++ b/services/sharing/pkg/config/config.go
@@ -21,9 +21,9 @@ type Config struct {
 
 	SkipUserGroupsInToken bool `yaml:"skip_user_groups_in_token" env:"SHARING_SKIP_USER_GROUPS_IN_TOKEN" desc:"Disables the loading of user's group memberships from the reva access token."`
 
-	UserSharingDriver    string               `yaml:"user_sharing_driver" env:"SHARING_USER_DRIVER" desc:"Driver to be used to persist shares. Supported values are 'json', 'cs3' and 'owncloudsql'."`
+	UserSharingDriver    string               `yaml:"user_sharing_driver" env:"SHARING_USER_DRIVER" desc:"Driver to be used to persist shares. Supported values are 'jsoncs3', 'json', 'cs3' and 'owncloudsql'."`
 	UserSharingDrivers   UserSharingDrivers   `yaml:"user_sharing_drivers"`
-	PublicSharingDriver  string               `yaml:"public_sharing_driver" env:"SHARING_PUBLIC_DRIVER" desc:"Driver to be used to persist public shares. Supported values are 'json' and 'cs3'."`
+	PublicSharingDriver  string               `yaml:"public_sharing_driver" env:"SHARING_PUBLIC_DRIVER" desc:"Driver to be used to persist public shares. Supported values are 'jsoncs3', 'json' and 'cs3'."`
 	PublicSharingDrivers PublicSharingDrivers `yaml:"public_sharing_drivers"`
 
 	Supervised bool            `yaml:"-"`
@@ -143,10 +143,10 @@ type PublicSharingCS3Driver struct {
 
 // PublicSharingJSONCS3Driver holds the jsoncs3 driver config
 type PublicSharingJSONCS3Driver struct {
-	ProviderAddr     string `yaml:"provider_addr" env:"SHARING_PUBLIC_CS3_PROVIDER_ADDR" desc:"GRPC address of the STORAGE-SYSTEM service."`
-	SystemUserID     string `yaml:"system_user_id" env:"OCIS_SYSTEM_USER_ID;SHARING_PUBLIC_CS3_SYSTEM_USER_ID" desc:"ID of the oCIS STORAGE-SYSTEM system user. Admins need to set the ID for the STORAGE-SYSTEM system user in this config option which is then used to reference the user. Any reasonable long string is possible, preferably this would be an UUIDv4 format."`
-	SystemUserIDP    string `yaml:"system_user_idp" env:"OCIS_SYSTEM_USER_IDP;SHARING_PUBLIC_CS3_SYSTEM_USER_ID" desc:"IDP of the oCIS STORAGE-SYSTEM system user."`
-	SystemUserAPIKey string `yaml:"system_user_api_key" env:"OCIS_SYSTEM_USER_API_KEY;SHARING_PUBLIC_CS3_SYSTEM_USER_API_KEY" desc:"API key for the STORAGE-SYSTEM system user."`
+	ProviderAddr     string `yaml:"provider_addr" env:"SHARING_PUBLIC_JSONCS3_PROVIDER_ADDR" desc:"GRPC address of the STORAGE-SYSTEM service."`
+	SystemUserID     string `yaml:"system_user_id" env:"OCIS_SYSTEM_USER_ID;SHARING_PUBLIC_JSONCS3_SYSTEM_USER_ID" desc:"ID of the oCIS STORAGE-SYSTEM system user. Admins need to set the ID for the STORAGE-SYSTEM system user in this config option which is then used to reference the user. Any reasonable long string is possible, preferably this would be an UUIDv4 format."`
+	SystemUserIDP    string `yaml:"system_user_idp" env:"OCIS_SYSTEM_USER_IDP;SHARING_PUBLIC_JSONCS3_SYSTEM_USER_IDP" desc:"IDP of the oCIS STORAGE-SYSTEM system user."`
+	SystemUserAPIKey string `yaml:"system_user_api_key" env:"OCIS_SYSTEM_USER_API_KEY;SHARING_PUBLIC_JSONCS3_SYSTEM_USER_API_KEY" desc:"API key for the STORAGE-SYSTEM system user."`
 }
 
 type Events struct {