diff --git a/samples/pdfium_test_dump_helper.cc b/samples/pdfium_test_dump_helper.cc
index 3f43a7f..0be3f0d 100644
--- a/samples/pdfium_test_dump_helper.cc
+++ b/samples/pdfium_test_dump_helper.cc
@@ -4,6 +4,7 @@
 
 #include "samples/pdfium_test_dump_helper.h"
 
+#include <limits.h>
 #include <string.h>
 
 #include <algorithm>