diff --git a/.github/workflows/gcc.yml b/.github/workflows/gcc.yml
index f4ae08f76d..b64dbd3b5f 100644
--- a/.github/workflows/gcc.yml
+++ b/.github/workflows/gcc.yml
@@ -86,7 +86,7 @@ jobs:
         restore-keys: |
              ccache-${{ github.workflow }}-${{ github.job }}-git-
     - name: Build & Install
-      env: {CXXFLAGS: "-fno-operator-names -Werror -Wall -Wextra -Wpedantic -Wnull-dereference -Wfloat-conversion -Wshadow -Woverloaded-virtual -O1 -Wnon-virtual-dtor -Wlogical-op -Wmisleading-indentation -Wduplicated-cond -Wduplicated-branches -Wmissing-include-dirs -Wno-null-dereference"}
+      env: {CXXFLAGS: "-fno-operator-names -Werror -Wall -Wextra -Wpedantic -Wnull-dereference -Wfloat-conversion -Wshadow -Woverloaded-virtual -O1 -Wnon-virtual-dtor -Wlogical-op -Wmisleading-indentation -Wduplicated-cond -Wduplicated-branches -Wmissing-include-dirs"}
         # It's too slow with -O0
       run: |
         export CCACHE_COMPRESS=1
@@ -353,10 +353,7 @@ jobs:
       # /home/runner/work/amrex/amrex/Src/Base/AMReX_IntVect.H:194:92: error: array subscript -1 is below array bounds of ‘int [3]’ [-Werror=array-bounds]
       # int& operator[] (int i) noexcept { BL_ASSERT(i>=0 && i < AMREX_SPACEDIM); return vect[i]; }
       #
-      # inlined from ‘const amrex::MultiFab& amrex::EBFArrayBoxFactory::getVolFrac() const’ at /home/runner/work/amrex/amrex/Src/EB/AMReX_EBFabFactory.H:53:91,
-      # /usr/include/c++/12/bits/shared_ptr_base.h:1666:16: error: potential null pointer dereference [-Werror=null-dereference]
-      #
-      env: {CXXFLAGS: "-fno-operator-names -Werror -Wall -Wextra -Wpedantic -Wnull-dereference -Wfloat-conversion -Wshadow -Woverloaded-virtual -Wunreachable-code -Wnon-virtual-dtor -Wlogical-op -Wmisleading-indentation -Wduplicated-cond -Wduplicated-branches -Wmissing-include-dirs -Wno-array-bounds -Wno-null-dereference"}
+      env: {CXXFLAGS: "-fno-operator-names -Werror -Wall -Wextra -Wpedantic -Wnull-dereference -Wfloat-conversion -Wshadow -Woverloaded-virtual -Wunreachable-code -Wnon-virtual-dtor -Wlogical-op -Wmisleading-indentation -Wduplicated-cond -Wduplicated-branches -Wmissing-include-dirs -Wno-array-bounds"}
       run: |
         export CCACHE_COMPRESS=1
         export CCACHE_COMPRESSLEVEL=10
@@ -377,7 +374,6 @@ jobs:
             -DAMReX_EB=ON               \
             -DAMReX_ENABLE_TESTS=ON     \
             -DAMReX_FORTRAN=OFF         \
-            -DAMReX_FORTRAN=OFF         \
             -DCMAKE_C_COMPILER=$(which gcc-12)     \
             -DCMAKE_CXX_COMPILER=$(which g++-12)   \
             -DCMAKE_CXX_STANDARD=17     \
diff --git a/Src/LinearSolvers/MLMG/AMReX_MLCellLinOp.H b/Src/LinearSolvers/MLMG/AMReX_MLCellLinOp.H
index e04e16f8bd..f8b09789d4 100644
--- a/Src/LinearSolvers/MLMG/AMReX_MLCellLinOp.H
+++ b/Src/LinearSolvers/MLMG/AMReX_MLCellLinOp.H
@@ -2009,11 +2009,11 @@ MLCellLinOpT<MF>::normInf (int amrlev, MF const& mf, bool local) const -> RT
     const int finest_level = this->NAMRLevels() - 1;
     RT norm = RT(0.0);
 #ifdef AMREX_USE_EB
-    if (! mf.isAllRegular()) {
+    const auto *factory = dynamic_cast<EBFArrayBoxFactory const*>(this->Factory(amrlev));
+    if (factory && !factory->isAllRegular()) {
         if constexpr (!std::is_same<MF,MultiFab>()) {
             amrex::Abort("MLCellLinOpT with EB only works with MultiFab");
         } else {
-            const auto *factory = dynamic_cast<EBFArrayBoxFactory const*>(this->Factory(amrlev));
             const MultiFab& vfrac = factory->getVolFrac();
             if (amrlev == finest_level) {
 #ifdef AMREX_USE_GPU