diff --git a/reactos/tools/ssprintf.cpp b/reactos/tools/ssprintf.cpp
index 4e41579d41b..bd498df08d8 100644
--- a/reactos/tools/ssprintf.cpp
+++ b/reactos/tools/ssprintf.cpp
@@ -1556,7 +1556,7 @@ ssvprintf ( const char *fmt, va_list args )
 				flags |= ZEROPAD;
 			}
 			result = number(f,
-				        (unsigned long) va_arg(args, void *), 16,
+				        (size_t) va_arg(args, void *), 16,
 					field_width, precision, flags);
 			if (result < 0)
 			{
@@ -1880,7 +1880,7 @@ sswvprintf ( const wchar_t* fmt, va_list args )
 				flags |= ZEROPAD;
 			}
 			result = wnumber(f,
-				        (unsigned long) va_arg(args, void *), 16,
+				        (size_t) va_arg(args, void *), 16,
 					field_width, precision, flags);
 			if (result < 0)
 			{
diff --git a/reactos/tools/xml.cpp b/reactos/tools/xml.cpp
index 373cb120752..a277bd31b65 100644
--- a/reactos/tools/xml.cpp
+++ b/reactos/tools/xml.cpp
@@ -39,6 +39,7 @@
 #include <ctype.h>
 #include <string.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include "xml.h"
 #include "ssprintf.h"