diff --git a/Makefile.am b/Makefile.am
index 409cd3f..ccdf95b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -50,7 +50,7 @@
 libhostservicedir = ${libdir}/ipmid-providers
 libhostservice_LTLIBRARIES = libhostservice.la
 libhostservice_la_SOURCES = \
-	host-services.c \
+	host-services.cpp \
 	host-interface.cpp
 libhostservice_la_LDFLAGS = $(SYSTEMD_LIBS) \
                             $(libmapper_LIBS) \