diff --git a/distribution/src/main/packaging/scripts/postinst b/distribution/src/main/packaging/scripts/postinst
index 91042ffbf50..3d5eeeedd8f 100644
--- a/distribution/src/main/packaging/scripts/postinst
+++ b/distribution/src/main/packaging/scripts/postinst
@@ -54,6 +54,8 @@ esac
 # to pick up /usr/lib/sysctl.d/elasticsearch.conf
 if command -v /usr/lib/systemd/systemd-sysctl > /dev/null; then
     /usr/lib/systemd/systemd-sysctl
+elif command -v /lib/systemd/systemd-sysctl > /dev/null; then
+    /lib/systemd/systemd-sysctl
 fi
 
 if [ "x$IS_UPGRADE" != "xtrue" ]; then
diff --git a/qa/vagrant/src/test/resources/packaging/scripts/os_package.bash b/qa/vagrant/src/test/resources/packaging/scripts/os_package.bash
index 21ce874971a..700c1c66185 100644
--- a/qa/vagrant/src/test/resources/packaging/scripts/os_package.bash
+++ b/qa/vagrant/src/test/resources/packaging/scripts/os_package.bash
@@ -123,7 +123,11 @@ verify_package_installation() {
         assert_file "/usr/lib/systemd/system/elasticsearch.service" f root root 644
         assert_file "/usr/lib/tmpfiles.d/elasticsearch.conf" f root root 644
         assert_file "/usr/lib/sysctl.d/elasticsearch.conf" f root root 644
-        [[ $(sysctl vm.max_map_count) =~ "vm.max_map_count = 262144" ]]
+        if is_rpm; then
+            [[ $(/usr/sbin/sysctl vm.max_map_count) =~ "vm.max_map_count = 262144" ]]
+        else
+            [[ $(/sbin/sysctl vm.max_map_count) =~ "vm.max_map_count = 262144" ]]
+        fi
     fi
 
     if is_sysvinit; then