diff --git a/errors.go b/errors.go
index a32b29c..b1913ba 100644
--- a/errors.go
+++ b/errors.go
@@ -46,6 +46,7 @@ type PgError struct {
 	File             string
 	Line             int32
 	Routine          string
+	NetworkError     error
 }
 
 func (pe *PgError) Error() string {
diff --git a/pgconn.go b/pgconn.go
index f8b8a65..0a9b01e 100644
--- a/pgconn.go
+++ b/pgconn.go
@@ -1330,7 +1330,11 @@ func (mrr *MultiResultReader) receiveMessage() (pgproto3.BackendMessage, error)
 
 	if err != nil {
 		mrr.pgConn.contextWatcher.Unwatch()
-		mrr.err = preferContextOverNetTimeoutError(mrr.ctx, err)
+		if x, ok := mrr.err.(*PgError); ok {
+			x.NetworkError = err
+		} else {
+			mrr.err = preferContextOverNetTimeoutError(mrr.ctx, err)
+		}
 		mrr.closed = true
 		mrr.pgConn.asyncClose()
 		return nil, mrr.err