diff --git a/controller/PostgreSQL.cpp b/controller/PostgreSQL.cpp
index 15d359f82..86ffe6855 100644
--- a/controller/PostgreSQL.cpp
+++ b/controller/PostgreSQL.cpp
@@ -23,6 +23,7 @@
 
 #include <libpq-fe.h>
 #include <sstream>
+#include <iomanip>
 #include <climits>
 #include <chrono>