diff --git a/src/helper/tests.rs b/src/helper/tests.rs
index a6c64f7..2153008 100644
--- a/src/helper/tests.rs
+++ b/src/helper/tests.rs
@@ -678,7 +678,7 @@ Uptime         = 0h 2m 4s
 
         assert_eq!(algo.stats.target_donation_hashrate, 10000.0);
 
-        lock!(gui_api_p2pool).p2pool_difficulty_u64 = 9_000_000;
+        lock!(gui_api_p2pool).p2pool_difficulty_u64 = 95_000_000;
         lock!(gui_api_xmrig).hashrate_raw_15m = 10000.0;
         lock!(gui_api_xvb).stats_priv.runtime_mode = RuntimeMode::Auto;
 
@@ -715,7 +715,7 @@ Uptime         = 0h 2m 4s
         let xp_alive = false;
         let share = 1;
 
-        lock!(gui_api_p2pool).p2pool_difficulty_u64 = 9_000_000;
+        lock!(gui_api_p2pool).p2pool_difficulty_u64 = 95_000_000;
         lock!(gui_api_xmrig).hashrate_raw_15m = 20000.0;
         lock!(gui_api_xvb).stats_priv.runtime_mode = RuntimeMode::Hero;
 
@@ -734,6 +734,25 @@ Uptime         = 0h 2m 4s
             xp_alive,
         );
 
-        assert_eq!(algo.stats.target_donation_hashrate, 10000.0);
+        assert_eq!(algo.stats.target_donation_hashrate, 15382.1);
+
+        lock!(gui_api_p2pool).sidechain_ehr = 25000.0;
+
+        let algo = Algorithm::new(
+            &client,
+            &pub_api,
+            &gui_api_xvb,
+            &gui_api_xmrig,
+            &gui_api_xp,
+            &gui_api_p2pool,
+            token_xmrig,
+            &state_p2pool,
+            share,
+            &time_donated,
+            rig,
+            xp_alive,
+        );
+
+        assert_eq!(algo.stats.target_donation_hashrate, 20000.0);
     }
 }
diff --git a/src/helper/xvb/algorithm.rs b/src/helper/xvb/algorithm.rs
index 60c64d3..acda6ab 100644
--- a/src/helper/xvb/algorithm.rs
+++ b/src/helper/xvb/algorithm.rs
@@ -135,6 +135,7 @@ impl<'a> Algorithm<'a> {
         let share_min_hashrate = Self::minimum_hashrate_share(
             lock!(gui_api_p2pool).p2pool_difficulty_u64,
             state_p2pool.mini,
+            p2pool_external_hashrate,
         );
 
         let spareable_hashrate = hashrate_xmrig - share_min_hashrate;
@@ -478,13 +479,14 @@ impl<'a> Algorithm<'a> {
         samples.0.iter().sum::<f32>() / samples.0.len() as f32
     }
 
-    fn minimum_hashrate_share(difficulty: u64, mini: bool) -> f32 {
+    fn minimum_hashrate_share(difficulty: u64, mini: bool, p2pool_external_hashrate: f32) -> f32 {
         let pws = if mini {
             BLOCK_PPLNS_WINDOW_MINI
         } else {
             BLOCK_PPLNS_WINDOW_MAIN
         };
-        let mut minimum_hr = (difficulty / (pws * SECOND_PER_BLOCK_P2POOL)) as f32 * XVB_BUFFER;
+        let mut minimum_hr = ((difficulty / (pws * SECOND_PER_BLOCK_P2POOL)) as f32 * XVB_BUFFER)
+            - p2pool_external_hashrate;
         info!("Algorithm | (difficulty / (window pplns blocks * seconds per p2pool block) * BUFFER) - outside HR = minimum HR to keep a share\n({difficulty} / ({pws} * {SECOND_PER_BLOCK_P2POOL}) * {XVB_BUFFER}) - {p2pool_external_hashrate} = {minimum_hr}");
 
         if minimum_hr.is_sign_negative() {