diff --git a/.cibw/install-mpi.sh b/.cibw/install-mpi.sh
index 066e738..dcac4b9 100755
--- a/.cibw/install-mpi.sh
+++ b/.cibw/install-mpi.sh
@@ -80,7 +80,7 @@ echo "Copying MPI to $MPI_ROOT"
 $SUDO mkdir -p "$MPI_ROOT"
 $SUDO cp -RP "$envdir"/. "$MPI_ROOT"
 echo "Rebuild dynamic linker cache"
-$SUDO "$(command -v ldconfig || echo true)"
+$SUDO "$(command -v ldconfig || echo true)" "$MPI_ROOT"
 
 echo "Display MPI information"
 if [ "$MPI_PACKAGE" == mpich   ]; then mpichversion; fi