diff --git a/src/api2/config/datastore.rs b/src/api2/config/datastore.rs
index 0bd86c2d..c39d0fa2 100644
--- a/src/api2/config/datastore.rs
+++ b/src/api2/config/datastore.rs
@@ -27,6 +27,10 @@ use crate::config::acl::{PRIV_DATASTORE_AUDIT, PRIV_DATASTORE_MODIFY};
                 path: {
                     schema: datastore::DIR_NAME_SCHEMA,
                 },
+                "gc-schedule": {
+                    optional: true,
+                    schema: GC_SCHEDULE_SCHEMA,
+                },
                 comment: {
                     optional: true,
                     schema: SINGLE_LINE_COMMENT_SCHEMA,
@@ -61,6 +65,10 @@ pub fn list_datastores(
                 optional: true,
                 schema: SINGLE_LINE_COMMENT_SCHEMA,
             },
+            "gc-schedule": {
+                optional: true,
+                schema: GC_SCHEDULE_SCHEMA,
+            },
             path: {
                 schema: datastore::DIR_NAME_SCHEMA,
             },
@@ -122,11 +130,14 @@ pub fn read_datastore(name: String) -> Result<Value, Error> {
 
 #[api()]
 #[derive(Serialize, Deserialize)]
+#[serde(rename_all="kebab-case")]
 #[allow(non_camel_case_types)]
 /// Deletable property name
 pub enum DeletableProperty {
     /// Delete the comment property.
     comment,
+    /// Delete the garbage collection schedule.
+    gc_schedule,
 }
 
 #[api(
@@ -140,6 +151,10 @@ pub enum DeletableProperty {
                 optional: true,
                 schema: SINGLE_LINE_COMMENT_SCHEMA,
             },
+            "gc-schedule": {
+                optional: true,
+                schema: GC_SCHEDULE_SCHEMA,
+            },
             delete: {
                 description: "List of properties to delete.",
                 type: Array,
@@ -162,6 +177,7 @@ pub enum DeletableProperty {
 pub fn update_datastore(
     name: String,
     comment: Option<String>,
+    gc_schedule: Option<String>,
     delete: Option<Vec<DeletableProperty>>,
     digest: Option<String>,
 ) -> Result<(), Error> {
@@ -182,6 +198,7 @@ pub fn update_datastore(
         for delete_prop in delete {
             match delete_prop {
                 DeletableProperty::comment => { data.comment = None; },
+                DeletableProperty::gc_schedule => { data.gc_schedule = None; },
             }
         }
     }
@@ -195,6 +212,8 @@ pub fn update_datastore(
         }
     }
 
+    if gc_schedule.is_some() { data.gc_schedule = gc_schedule; }
+
     config.set_data(&name, "datastore", &data)?;
 
     datastore::save_config(&config)?;
diff --git a/src/api2/types.rs b/src/api2/types.rs
index d26195c1..d3ad88c7 100644
--- a/src/api2/types.rs
+++ b/src/api2/types.rs
@@ -287,6 +287,11 @@ pub const DATASTORE_SCHEMA: Schema = StringSchema::new("Datastore name.")
     .max_length(32)
     .schema();
 
+pub const GC_SCHEDULE_SCHEMA: Schema = StringSchema::new(
+    "Run garbage collection job at specified schedule.")
+    .format(&ApiStringFormat::VerifyFn(crate::tools::systemd::time::verify_calendar_event))
+    .schema();
+
 pub const REMOTE_ID_SCHEMA: Schema = StringSchema::new("Remote ID.")
     .format(&PROXMOX_SAFE_ID_FORMAT)
     .min_length(3)
diff --git a/src/config/datastore.rs b/src/config/datastore.rs
index 4ce4eaa2..65fe1838 100644
--- a/src/config/datastore.rs
+++ b/src/config/datastore.rs
@@ -22,7 +22,6 @@ lazy_static! {
 }
 
 // fixme: define better schemas
-
 pub const DIR_NAME_SCHEMA: Schema = StringSchema::new("Directory name").schema();
 
 #[api(
@@ -31,17 +30,24 @@ pub const DIR_NAME_SCHEMA: Schema = StringSchema::new("Directory name").schema()
             optional: true,
             schema: SINGLE_LINE_COMMENT_SCHEMA,
         },
+        "gc-schedule": {
+            schema: GC_SCHEDULE_SCHEMA,
+            optional: true,
+        },
         path: {
             schema: DIR_NAME_SCHEMA,
         },
     }
 )]
+#[serde(rename_all="kebab-case")]
 #[derive(Serialize,Deserialize)]
 /// Datastore configuration properties.
 pub struct DataStoreConfig {
     #[serde(skip_serializing_if="Option::is_none")]
     pub comment: Option<String>,
     pub path: String,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub gc_schedule: Option<String>,
  }
 
 fn init() -> SectionConfig {