diff --git a/lib/nodes/CMakeLists.txt b/lib/nodes/CMakeLists.txt
index b735a6e8e..3a6cc92bd 100644
--- a/lib/nodes/CMakeLists.txt
+++ b/lib/nodes/CMakeLists.txt
@@ -24,6 +24,7 @@ set(NODE_SRC
     influxdb.c
     stats.c
     signal_generator.c
+    loopback.c
 )
 
 if(LIBNL3_ROUTE_FOUND)
@@ -41,7 +42,6 @@ endif()
 
 if(HAS_EVENTFD)
     list(APPEND NODE_SRC
-        loopback.c
         cbuilder.c
     )
 endif()
diff --git a/lib/nodes/loopback.c b/lib/nodes/loopback.c
index d332ff9c8..bf0370c64 100644
--- a/lib/nodes/loopback.c
+++ b/lib/nodes/loopback.c
@@ -50,8 +50,10 @@ int loopback_parse(struct node *n, json_t *cfg)
 	if (mode_str) {
 		if (!strcmp(mode_str, "auto"))
 			l->queueflags = QUEUE_SIGNALLED_AUTO;
+#ifdef HAVE_EVENTFD
 		else if (!strcmp(mode_str, "eventfd"))
 			l->queueflags = QUEUE_SIGNALLED_EVENTFD;
+#endif
 		else if (!strcmp(mode_str, "pthread"))
 			l->queueflags = QUEUE_SIGNALLED_PTHREAD;
 		else if (!strcmp(mode_str, "polling"))