diff --git a/a/apptainer/apptainer-1.1.0.eb b/a/apptainer/apptainer-1.1.0.eb
index 705f6497..c8c9326f 100644
--- a/a/apptainer/apptainer-1.1.0.eb
+++ b/a/apptainer/apptainer-1.1.0.eb
@@ -33,7 +33,7 @@ osdependencies = [
 ]
 
 skipsteps = ['configure']
-prebuildopts = './mconfig --prefix=%(installdir)s --without-suid && '
+prebuildopts = './mconfig --prefix=%(installdir)s --with-suid && '
 buildopts = '-C ./builddir'
 
 
diff --git a/i/impi/impi-2018.4.274-iccifort-2019.1.144-GCC-8.2.0-2.31.1.eb b/i/impi/impi-2018.4.274-iccifort-2019.1.144-GCC-8.2.0-2.31.1.eb
index cfb90778..93e596e0 100644
--- a/i/impi/impi-2018.4.274-iccifort-2019.1.144-GCC-8.2.0-2.31.1.eb
+++ b/i/impi/impi-2018.4.274-iccifort-2019.1.144-GCC-8.2.0-2.31.1.eb
@@ -35,4 +35,25 @@ postinstallcmds = [
     'ln -s %(installdir)s/lib64/libmpi.so %(installdir)s/lib64/libopa.so'
 ]
 
+modextravars = {
+    "I_MPI_OFI_PROVIDER": "MLX",
+    "FI_PROVIDER": "verbs",
+    "I_MPI_CC": "icc",
+    "I_MPI_CXX": "icpc",
+    "I_MPI_F77": "ifort",
+    "I_MPI_F90": "ifort",
+    "I_MPI_FC": "ifort",
+    "I_MPI_HYDRA_BOOTSTRAP": "ssh",
+}
+
+modaliases = {
+    "mpigcc": "mpigcc -cc=gcc",
+    "mpigxx": "mpigxx -cxx=g++",
+    "mpiicc": "mpiicc -cc=icc",
+    "mpiicpc":"mpiicpc -cxx=icpc",
+    "mpiifort": "mpiifort -f90=ifort",
+}
+
+skipsteps = ['sanitycheck']
+
 moduleclass = 'mpi'