diff --git a/Src/LinearSolvers/MLMG/AMReX_MLABecLaplacian.H b/Src/LinearSolvers/MLMG/AMReX_MLABecLaplacian.H
index 9b56b8049d..7b5fb06942 100644
--- a/Src/LinearSolvers/MLMG/AMReX_MLABecLaplacian.H
+++ b/Src/LinearSolvers/MLMG/AMReX_MLABecLaplacian.H
@@ -1281,7 +1281,7 @@ MLABecLaplacianT<MF>::supportNSolve () const
     bool support = false;
     if (this->m_overset_mask[0][0]) {
         if (this->m_geom[0].back().Domain().coarsenable(MLLinOp::mg_coarsen_ratio,
-                                                        MLLinOp::mg_domain_min_width)
+                                                        this->mg_domain_min_width)
             && this->m_grids[0].back().coarsenable(MLLinOp::mg_coarsen_ratio, MLLinOp::mg_box_min_width))
         {
             support = true;
diff --git a/Src/LinearSolvers/MLMG/AMReX_MLLinOp.H b/Src/LinearSolvers/MLMG/AMReX_MLLinOp.H
index 3cc623b761..bb620526c0 100644
--- a/Src/LinearSolvers/MLMG/AMReX_MLLinOp.H
+++ b/Src/LinearSolvers/MLMG/AMReX_MLLinOp.H
@@ -570,11 +570,7 @@ protected:
 
     static constexpr int mg_coarsen_ratio = 2;
     static constexpr int mg_box_min_width = 2;
-#ifdef AMREX_USE_EB
-    static constexpr int mg_domain_min_width = 4;
-#else
-    static constexpr int mg_domain_min_width = 2;
-#endif
+    int mg_domain_min_width = 2;
 
     LPInfo info;
 
@@ -803,6 +799,13 @@ MLLinOpT<MF>::defineGrids (const Vector<Geometry>& a_geom,
 {
     BL_PROFILE("MLLinOp::defineGrids()");
 
+#ifdef AMREX_USE_EB
+    auto const* ebf = dynamic_cast<EBFArrayBoxFactory const*>(a_factory[0]);
+    if (ebf && !(ebf->isAllRegular())) { // Has non-trivial EB
+        mg_domain_min_width = 4;
+    }
+#endif
+
     m_num_amr_levels = 0;
     for (int amrlev = 0; amrlev < a_geom.size(); amrlev++) {
         if (!a_grids[amrlev].empty()) {