diff --git a/Source/DiabloUI/selhero.cpp b/Source/DiabloUI/selhero.cpp
index a51b42913d2..4f9079a257d 100644
--- a/Source/DiabloUI/selhero.cpp
+++ b/Source/DiabloUI/selhero.cpp
@@ -1,4 +1,4 @@
-#include <time.h>
+#include <ctime>
 
 #include "../all.h"
 #include "DiabloUI/diablo.h"
diff --git a/Source/multi.cpp b/Source/multi.cpp
index 3c730fa0ad6..5cf1e6b9591 100644
--- a/Source/multi.cpp
+++ b/Source/multi.cpp
@@ -6,7 +6,7 @@
 #include "all.h"
 #include "diabloui.h"
 #include "storm/storm_net.h"
-#include <time.h>
+#include <ctime>
 #include "DiabloUI/diablo.h"
 
 DEVILUTION_BEGIN_NAMESPACE
diff --git a/Source/pfile.cpp b/Source/pfile.cpp
index 48b38b6eafd..29fb2f8d94c 100644
--- a/Source/pfile.cpp
+++ b/Source/pfile.cpp
@@ -11,7 +11,7 @@
 #include "diabloui.h"
 #include "utils/file_util.h"
 #include "DiabloUI/diablo.h"
-#include <time.h>
+#include <ctime>
 
 DEVILUTION_BEGIN_NAMESPACE