diff --git a/src/bin/proxmox-backup-proxy.rs b/src/bin/proxmox-backup-proxy.rs
index d6074c2e..3ea0f7c0 100644
--- a/src/bin/proxmox-backup-proxy.rs
+++ b/src/bin/proxmox-backup-proxy.rs
@@ -41,6 +41,7 @@ use proxmox_backup::tools::{
     disks::{
         DiskManage,
         zfs_pool_stats,
+        get_pool_from_dataset,
     },
     logrotate::LogRotate,
     socket::{
@@ -865,8 +866,9 @@ fn gather_disk_stats(disk_manager: Arc<DiskManage>, path: &Path, rrd_prefix: &st
             let mut device_stat = None;
             match fs_type.as_str() {
                 "zfs" => {
-                    if let Some(pool) = source {
-                        match zfs_pool_stats(&pool) {
+                    if let Some(source) = source {
+                        let pool = get_pool_from_dataset(&source).unwrap_or(&source);
+                        match zfs_pool_stats(pool) {
                             Ok(stat) => device_stat = stat,
                             Err(err) => eprintln!("zfs_pool_stats({:?}) failed - {}", pool, err),
                         }
diff --git a/src/tools/disks/zfs.rs b/src/tools/disks/zfs.rs
index d7c3907e..e0084939 100644
--- a/src/tools/disks/zfs.rs
+++ b/src/tools/disks/zfs.rs
@@ -16,6 +16,17 @@ lazy_static!{
     };
 }
 
+/// returns pool from dataset path of the form 'rpool/ROOT/pbs-1'
+pub fn get_pool_from_dataset(dataset: &OsStr) -> Option<&OsStr> {
+    if let Some(dataset) = dataset.to_str() {
+        if let Some(idx) = dataset.find('/') {
+            return Some(&dataset[0..idx].as_ref());
+        }
+    }
+
+    None
+}
+
 /// Returns kernel IO-stats for zfs pools
 pub fn zfs_pool_stats(pool: &OsStr) -> Result<Option<BlockDevStat>, Error> {