--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,11 @@
 find_package(nlohmann_json 3.2.0 REQUIRED)
 find_package(Gettext REQUIRED)
 
-pkg_check_modules(SDBUS REQUIRED libsystemd)
+# Allow building sd-bus against libelogind on non-systemd systems.
+set(VINPUT_SDBUS_PROVIDER "libsystemd" CACHE STRING
+    "pkg-config module providing sd-bus (libsystemd or libelogind)")
+pkg_check_modules(SDBUS REQUIRED ${VINPUT_SDBUS_PROVIDER})
+include_directories(${SDBUS_INCLUDE_DIRS})
 find_package(CURL REQUIRED)
 find_package(LibArchive REQUIRED)
 find_package(OpenSSL REQUIRED)