diff --git a/systems/mac-arm/config-command-mpi b/systems/mac-arm/config-command-mpi
index 84a656f4..0e42c2cd 100644
--- a/systems/mac-arm/config-command-mpi
+++ b/systems/mac-arm/config-command-mpi
@@ -1,4 +1,3 @@
 BREW=/opt/local/
-MPICXX=mpicxx CXX=c++-12 ../../configure --enable-simd=GEN --enable-comms=mpi-auto --enable-unified=yes --prefix $HOME/QCD/GridInstall --with-lime=/Users/peterboyle/QCD/SciDAC/install/ --with-openssl=$BREW --disable-fermion-reps --disable-gparity --disable-debug
-
+CXXFLAGS=-fsanitize=address CXX=g++ ../../configure --enable-simd=NEONv8 --enable-comms=none --enable-unified=yes --prefix $HOME/QCD/GridInstall --with-lime=/Users/peterboyle/QCD/SciDAC/install/ --with-openssl=$BREW --disable-gparity --disable-fermion-reps