diff --git a/ClientContext.cpp b/ClientContext.cpp
index d545ea78..2bc13969 100644
--- a/ClientContext.cpp
+++ b/ClientContext.cpp
@@ -6,6 +6,7 @@
 #include "FS.h"
 #include "Log.h"
 #include "Identity.h"
+#include "util.h"
 #include "ClientContext.h"
 
 namespace i2p
diff --git a/HTTP.cpp b/HTTP.cpp
index fa7809a5..eca21fde 100644
--- a/HTTP.cpp
+++ b/HTTP.cpp
@@ -6,6 +6,7 @@
 * See full license text in LICENSE file at top of project tree
 */
 
+#include "util.h"
 #include "HTTP.h"
 #include <algorithm>
 #include <ctime>
diff --git a/HTTPServer.cpp b/HTTPServer.cpp
index ff693313..5263c53d 100644
--- a/HTTPServer.cpp
+++ b/HTTPServer.cpp
@@ -21,6 +21,7 @@
 #include "ClientContext.h"
 #include "HTTPServer.h"
 #include "Daemon.h"
+#include "util.h"
 
 // For image and info
 #include "version.h"
diff --git a/I2PControl.cpp b/I2PControl.cpp
index 9eebb389..c0c87fd4 100644
--- a/I2PControl.cpp
+++ b/I2PControl.cpp
@@ -23,6 +23,7 @@
 #include "Timestamp.h"
 #include "Transports.h"
 #include "version.h"
+#include "util.h"
 #include "I2PControl.h"
 
 namespace i2p