diff --git a/src/command_local.cc b/src/command_local.cc
index 429ed51a..111aff7c 100644
--- a/src/command_local.cc
+++ b/src/command_local.cc
@@ -12,6 +12,7 @@
 #include <torrent/chunk_manager.h>
 #include <torrent/data/file_manager.h>
 #include <torrent/data/chunk_utils.h>
+#include <torrent/utils/chrono.h>
 #include <torrent/utils/option_strings.h>
 
 #include "core/download.h"
diff --git a/src/display/text_element_value.cc b/src/display/text_element_value.cc
index f0491770..6c59d2ff 100644
--- a/src/display/text_element_value.cc
+++ b/src/display/text_element_value.cc
@@ -4,6 +4,8 @@
 
 #include <ctime>
 
+#include <torrent/utils/chrono.h>
+
 #include "globals.h"
 
 namespace display {
diff --git a/src/display/window.cc b/src/display/window.cc
index 97706b2d..329c79d7 100644
--- a/src/display/window.cc
+++ b/src/display/window.cc
@@ -4,6 +4,8 @@
 
 #include <stdexcept>
 
+#include <torrent/utils/chrono.h>
+
 namespace display {
 
 Window::SlotTimer  Window::m_slot_schedule;
diff --git a/src/main.cc b/src/main.cc
index e448e9d3..c5f54cc2 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -12,6 +12,7 @@
 #include <torrent/torrent.h>
 #include <torrent/exceptions.h>
 #include <torrent/data/chunk_utils.h>
+#include <torrent/utils/chrono.h>
 #include <torrent/utils/log.h>
 #include <rak/error_number.h>
 
diff --git a/src/rpc/command_scheduler.cc b/src/rpc/command_scheduler.cc
index 798608f1..2c776e45 100644
--- a/src/rpc/command_scheduler.cc
+++ b/src/rpc/command_scheduler.cc
@@ -7,6 +7,7 @@
 #include <time.h>
 #include <rak/string_manip.h>
 #include <torrent/exceptions.h>
+#include <torrent/utils/chrono.h>
 
 #include "rpc/command_scheduler_item.h"
 #include "rpc/parse_commands.h"
diff --git a/src/rpc/command_scheduler_item.cc b/src/rpc/command_scheduler_item.cc
index ad4581c0..2926b16f 100644
--- a/src/rpc/command_scheduler_item.cc
+++ b/src/rpc/command_scheduler_item.cc
@@ -3,6 +3,7 @@
 #include "rpc/command_scheduler_item.h"
 
 #include <torrent/exceptions.h>
+#include <torrent/utils/chrono.h>
 
 namespace rpc {