diff --git a/src/editor/editloop.cpp b/src/editor/editloop.cpp
index 0b40119ed7..718685714c 100644
--- a/src/editor/editloop.cpp
+++ b/src/editor/editloop.cpp
@@ -34,8 +34,8 @@
 --  Includes
 ----------------------------------------------------------------------------*/
 
+#include <cstdint>
 #include <deque>
-#include <stdint.h>
 
 #include "stratagus.h"
 
diff --git a/src/include/net_message.h b/src/include/net_message.h
index f3b6e3d608..520815eca3 100644
--- a/src/include/net_message.h
+++ b/src/include/net_message.h
@@ -31,7 +31,7 @@
 
 //@{
 
-#include <stdint.h>
+#include <cstdint>
 #include <vector>
 
 #include "settings.h"
diff --git a/src/include/settings.h b/src/include/settings.h
index 06cd25e7b8..107165b62b 100644
--- a/src/include/settings.h
+++ b/src/include/settings.h
@@ -38,7 +38,7 @@
 //@{
 
 #include <bitset>
-#include <stdint.h>
+#include <cstdint>
 #include <string>
 #include <vector>
 #include <functional>