diff --git a/Source/PeleLMeX_Regrid.cpp b/Source/PeleLMeX_Regrid.cpp
index c4d3fb2b..d8849e04 100644
--- a/Source/PeleLMeX_Regrid.cpp
+++ b/Source/PeleLMeX_Regrid.cpp
@@ -74,7 +74,7 @@ PeleLM::regrid(int lbase, amrex::Real time, bool initial)
 
       // Bcast the test dmap and remake level
       if (remakeLevel != 0) {
-        Vector<int> pmap;
+        Vector<int> pmap(1);
         if (
           ParallelDescriptor::MyProc() ==
           ParallelDescriptor::IOProcessorNumber()) {
@@ -239,7 +239,7 @@ PeleLM::regrid(int lbase, amrex::Real time, bool initial)
 
             // Bcast the test dmap if we plan on remaking the level
             if (remakeLevel != 0) {
-              Vector<int> pmap;
+              Vector<int> pmap(1);
               if (
                 ParallelDescriptor::MyProc() ==
                 ParallelDescriptor::IOProcessorNumber()) {
diff --git a/Source/PeleLMeX_Utils.cpp b/Source/PeleLMeX_Utils.cpp
index 7630b3bb..658a378d 100644
--- a/Source/PeleLMeX_Utils.cpp
+++ b/Source/PeleLMeX_Utils.cpp
@@ -860,7 +860,7 @@ PeleLM::loadBalanceChemLev(int a_lev)
 
   // Bcast the test dmap if better
   if (updateDmap != 0) {
-    Vector<int> pmap;
+    Vector<int> pmap(1);
     if (
       ParallelDescriptor::MyProc() == ParallelDescriptor::IOProcessorNumber()) {
       pmap = test_dmap.ProcessorMap();