diff --git a/configure.ac b/configure.ac
index 2076777..8101911 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,8 @@
 
 # Checks for libraries.
 PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])
+PKG_CHECK_MODULES([SDBUSPLUS], [sdbusplus],,
+    AC_MSG_ERROR(["Requires sdbusplus package."]))
 
 # Checks for typedefs, structures, and compiler characteristics.
 AX_CXX_COMPILE_STDCXX_14([noext])