1 files changed, 6 insertions, 1 deletions
diff --git a/third_party/nix/src/libstore/legacy-ssh-store.cc b/third_party/nix/src/libstore/legacy-ssh-store.cc
index abff734efc48..8ae40d0da95c 100644
--- a/third_party/nix/src/libstore/legacy-ssh-store.cc
+++ b/third_party/nix/src/libstore/legacy-ssh-store.cc
@@ -115,7 +115,12 @@ struct LegacySSHStore : public Store {
 
       if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 4) {
         auto s = readString(conn->from);
-        info->narHash = s.empty() ? Hash() : Hash(s);
+        if (s.empty()) {
+          info->narHash = Hash();
+        } else {
+          auto hash_ = Hash::deserialize(s);
+          info->narHash = Hash::unwrap_throw(hash_);
+        }
         conn->from >> info->ca;
         info->sigs = readStrings<StringSet>(conn->from);
       }