diff --git a/library/DFProcess-windows-SHM.cpp b/library/DFProcess-windows-SHM.cpp
index 493af5a98..1e516d26e 100644
--- a/library/DFProcess-windows-SHM.cpp
+++ b/library/DFProcess-windows-SHM.cpp
@@ -24,6 +24,8 @@ distribution.
 #include "Internal.h"
 #include "PlatformInternal.h"
 #include <cstring>
+#include <cstdio>
+#include <cstdlib>
 #include <vector>
 #include <string>
 #include <map>
diff --git a/library/DFProcess-windows.cpp b/library/DFProcess-windows.cpp
index 39a7ecfd8..e1a5e31c7 100644
--- a/library/DFProcess-windows.cpp
+++ b/library/DFProcess-windows.cpp
@@ -24,6 +24,8 @@ distribution.
 #include "Internal.h"
 #include "PlatformInternal.h"
 #include <cstring>
+#include <cstdio>
+#include <cstdlib>
 #include <vector>
 #include <string>
 #include <map>
diff --git a/library/modules/WindowIO-windows.cpp b/library/modules/WindowIO-windows.cpp
index b0666992e..55248d03c 100644
--- a/library/modules/WindowIO-windows.cpp
+++ b/library/modules/WindowIO-windows.cpp
@@ -25,7 +25,7 @@ distribution.
 #include "Internal.h"
 #include "PlatformInternal.h"
 #include <vector>
-
+#include <string>
 using namespace std;
 #include "ContextShared.h"
 #include "dfhack/modules/WindowIO.h"