diff --git a/cmake/FindSystemd.cmake b/cmake/FindSystemd.cmake
index 3f1d2599669..c41ca64d248 100644
--- a/cmake/FindSystemd.cmake
+++ b/cmake/FindSystemd.cmake
@@ -14,14 +14,14 @@ IF (NOT WIN32)
 
     if (SYSTEMD_FOUND)
         execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE}
-            --variable=systemd_user_unit_dir systemd
+            --variable=systemduserunitdir systemd
             OUTPUT_VARIABLE SYSTEMD_USER_UNIT_INSTALL_DIR)
 
         string(REGEX REPLACE "[ \t\n]+" "" SYSTEMD_USER_UNIT_INSTALL_DIR
             "${SYSTEMD_USER_UNIT_INSTALL_DIR}")
 
         execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE}
-            --variable=systemd_system_unit_dir systemd
+            --variable=systemdsystemunitdir systemd
             OUTPUT_VARIABLE SYSTEMD_SYSTEM_UNIT_INSTALL_DIR)
 
         string(REGEX REPLACE "[ \t\n]+" "" SYSTEMD_SYSTEM_UNIT_INSTALL_DIR