diff --git a/xof/blake2xb/blake.go b/xof/blake2xb/blake.go
index 81cfabef7..d3f66ff57 100644
--- a/xof/blake2xb/blake.go
+++ b/xof/blake2xb/blake.go
@@ -71,7 +71,7 @@ func (x *xof) Reseed() {
 
 func (x *xof) Reset() {
 	x.impl.Reset()
-	x.impl.Write(x.seed)
+	_, _ = x.impl.Write(x.seed)
 }
 
 func (x *xof) XORKeyStream(dst, src []byte) {
diff --git a/xof/blake2xs/blake.go b/xof/blake2xs/blake.go
index e9136fe52..d29edf390 100644
--- a/xof/blake2xs/blake.go
+++ b/xof/blake2xs/blake.go
@@ -71,7 +71,7 @@ func (x *xof) Reseed() {
 
 func (x *xof) Reset() {
 	x.impl.Reset()
-	x.impl.Write(x.seed)
+	_, _ = x.impl.Write(x.seed)
 }
 
 func (x *xof) XORKeyStream(dst, src []byte) {