From 436f462cfa61a814ff4600b60e454ec080e6e840 Mon Sep 17 00:00:00 2001
From: teor <teor@riseup.net>
Date: Tue, 10 Dec 2024 09:14:50 +1000
Subject: [PATCH] Fix next source piece index calculation

---
 crates/subspace-core-primitives/src/pieces.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/subspace-core-primitives/src/pieces.rs b/crates/subspace-core-primitives/src/pieces.rs
index e22a9349d2..8db8b0f922 100644
--- a/crates/subspace-core-primitives/src/pieces.rs
+++ b/crates/subspace-core-primitives/src/pieces.rs
@@ -143,7 +143,7 @@ impl PieceIndex {
     /// Returns the next source piece index
     #[inline]
     pub const fn next_source_index(&self) -> PieceIndex {
-        PieceIndex(self.0.next_multiple_of(Self::source_ratio()))
+        PieceIndex(self.0 + Self::source_ratio() - (self.0 % Self::source_ratio()))
     }
 
     /// The ratio of source pieces to all pieces