diff --git a/test/lib/cpp/03-publish-loop-manual.cpp b/test/lib/cpp/03-publish-loop-manual.cpp
index 645ab93f..b7d4137d 100644
--- a/test/lib/cpp/03-publish-loop-manual.cpp
+++ b/test/lib/cpp/03-publish-loop-manual.cpp
@@ -1,6 +1,8 @@
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <sys/select.h>
+#include <sys/types.h>
 
 #include <mosquitto/libmosquittopp.h>