diff --git a/meson.build b/meson.build
index 0d9d68d..0d1c218 100644
--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,7 @@
         'warning_level=3',
         'werror=true'
     ],
-    meson_version: '>= 0.57.0',
+    meson_version: '>= 0.58.0',
     license: 'Apache-2.0',
     version: '1.0')
 
@@ -140,7 +140,7 @@
 ssl = dependency('openssl')
 
 systemd = dependency('systemd')
-systemd_system_unit_dir = systemd.get_variable(pkgconfig : 'systemdsystemunitdir')
+systemd_system_unit_dir = systemd.get_variable('systemdsystemunitdir')
 
 unit_files = [
     'obmc-flash-bmc-setenv@.service.in',
diff --git a/side-switch/meson.build b/side-switch/meson.build
index b13e53c..9d6cbf0 100644
--- a/side-switch/meson.build
+++ b/side-switch/meson.build
@@ -15,7 +15,7 @@
 )
 
 systemd_system_unit_dir = dependency('systemd').get_variable(
-    pkgconfig: 'systemdsystemunitdir',
+    'systemdsystemunitdir',
     pkgconfig_define: ['prefix', get_option('prefix')])
 
 install_data(
diff --git a/usb/meson.build b/usb/meson.build
index da7fc92..e0db986 100644
--- a/usb/meson.build
+++ b/usb/meson.build
@@ -27,10 +27,10 @@
 )
 
 systemd_system_unit_dir = dependency('systemd').get_variable(
-    pkgconfig: 'systemdsystemunitdir',
+    'systemdsystemunitdir',
     pkgconfig_define: ['prefix', get_option('prefix')])
 udev_dir = dependency('udev').get_variable(
-    pkgconfig: 'udev_dir',
+    'udev_dir',
     pkgconfig_define: ['prefix', get_option('prefix')])
 
 install_data(