diff --git a/src/lib/server/InputFilter.cpp b/src/lib/server/InputFilter.cpp
index da29f5b..65c500f 100755
--- a/src/lib/server/InputFilter.cpp
+++ b/src/lib/server/InputFilter.cpp
@@ -26,6 +26,7 @@

 #include <cstdlib>
 #include <cstring>
+#include <cstdint>

 // -----------------------------------------------------------------------------
 // Input Filter Condition Classes