diff --git a/src/ADIOS/Install.sh b/src/ADIOS/Install.sh
index ddca8c6efe..bd0acb1414 100644
--- a/src/ADIOS/Install.sh
+++ b/src/ADIOS/Install.sh
@@ -31,17 +31,17 @@ done
 if (test $1 = 1) then
 
   CONFIGSCRIPT=none
-  if ( test `which adios2-config 2>> /dev/null` ) then
+  if ( type adios2-config > /dev/null 2>&1 ) then
     CONFIGSCRIPT=adios2-config
   elif ( ! test -z "$ADIOS2_DIR" ) then
-    if ( test `which $ADIOS2_DIR/bin/adios2-config` ) then
+    if ( type $ADIOS2_DIR/bin/adios2-config > /dev/null 2>&1 ) then
       CONFIGSCRIPT=$ADIOS2_DIR/bin/adios2-config
     else
       echo "ERROR: ADIOS2_DIR environment variable is set but" \
            "\$ADIOS2_DIR/bin/adios2-config does not exist"
     fi
   elif ( ! test -z "$ADIOS_DIR" ) then
-    if ( test `which $ADIOS_DIR/bin/adios2-config` ) then
+    if ( type $ADIOS_DIR/bin/adios2-config > /dev/null 2>&1 ) then
       CONFIGSCRIPT=$ADIOS_DIR/bin/adios2-config
     else
       echo "ERROR: ADIOS_DIR environment variable is set but" \
diff --git a/src/ML-IAP/Install.sh b/src/ML-IAP/Install.sh
index 753dfae358..3a1a7493aa 100755
--- a/src/ML-IAP/Install.sh
+++ b/src/ML-IAP/Install.sh
@@ -46,7 +46,7 @@ action mliap_model_python_couple.pyx python_impl.cpp
 # edit 2 Makefile.package files to include/exclude package info
 
 if (test $1 = 1) then
-  if (test "$(type cythonize 2> /dev/null)" != "" && test -e ../python_impl.cpp) then
+  if (type cythonize > /dev/null 2>&1 && test -e ../python_impl.cpp) then
     if (test -e ../Makefile.package) then
       sed -i -e 's|^PKG_INC =[ \t]*|&-DMLIAP_PYTHON |' ../Makefile.package
     fi
@@ -69,7 +69,7 @@ elif (test $1 = 0) then
   sed -i -e '/^include.*python.*mliap_python.*$/d' ../Makefile.package.settings
 
 elif (test $1 = 2) then
-  if (type cythonize 2>&1 > /dev/null && test -e ../python_impl.cpp) then
+  if (type cythonize > /dev/null 2>&1 && test -e ../python_impl.cpp) then
     if (test -e ../Makefile.package) then
       sed -i -e 's/[^ \t]*-DMLIAP_PYTHON[^ \t]* //g' ../Makefile.package
     fi