diff --git a/src/ArbConnectivity.hpp b/src/ArbConnectivity.hpp
index 48a2c447..f6380d5f 100644
--- a/src/ArbConnectivity.hpp
+++ b/src/ArbConnectivity.hpp
@@ -58,8 +58,8 @@ inline auto computeInitialNodeDist(size_t num_nodes_global, size_t comm_size) ->
     const auto chunk_size = num_nodes_global / comm_size;
     const auto div_remainder = num_nodes_global % comm_size;
     auto retval = std::vector<long>{};
-    retval.reserve(comm_size + 1);
-    retval.push_back(0);
+    retval.resize(comm_size + 1);
+    retval[0] = 0;
     for (size_t i = 0; i != comm_size; ++i) retval[i+1] = retval[i] + static_cast<long>(chunk_size + (i < div_remainder));
     return retval;
 }