diff --git a/src/systemd/meson.build b/src/systemd/meson.build
index b02158f7..aeeb6c68 100644
--- a/src/systemd/meson.build
+++ b/src/systemd/meson.build
@@ -7,7 +7,7 @@ if systemd.found()
   # system service
   if get_option('systemd-system-service')
     systemd_system_unit_dir = systemd.get_pkgconfig_variable(
-        'systemd_system_unit_dir',
+        'systemdsystemunitdir',
         define_variable : ['prefix', get_option('prefix')])
 
     if get_option('systemd-system-unit-dir') != ''
@@ -20,7 +20,7 @@ if systemd.found()
   # user service
   if get_option('systemd-user-service')
     systemd_user_unit_dir = systemd.get_pkgconfig_variable(
-        'systemd_user_unit_dir',
+        'systemduserunitdir',
         define_variable : ['prefix', get_option('prefix')])
 
     if get_option('systemd-user-unit-dir') != ''