diff --git a/subprojects/nemora-postd/nemorad.cpp b/subprojects/nemora-postd/nemorad.cpp
index 0ad8010..0531323 100644
--- a/subprojects/nemora-postd/nemorad.cpp
+++ b/subprojects/nemora-postd/nemorad.cpp
@@ -24,6 +24,7 @@
 
 #include <csignal>
 #include <cstdint>
+#include <iostream>
 #include <regex>
 #include <string>
 #include <thread>