diff --git a/src/rmn.cpp b/src/rmn.cpp
index fdb3625..064bd2f 100644
--- a/src/rmn.cpp
+++ b/src/rmn.cpp
@@ -308,7 +308,7 @@ Rcpp::List estimate(
       std::cout << iter << ": new z\n";
 
       estimateZ(arma::conv_to<std::vector<double> >::from(lnEmPN), lnTPN, z[iContig], empty[iContig], lnL);
-      std::cout << iContig << '\t' << z[iContig](arma::span(1, 10)) << std::endl;
+      std::cout << iContig << '\t' << empty[iContig](arma::span(1, 10)) << std::endl;
     }
     std::cout << iter << ": new likelihood: " << lnL << std::endl;
   }