diff --git a/lib/ultrajsondec.c b/lib/ultrajsondec.c
index 8e27760..6ced336 100644
--- a/lib/ultrajsondec.c
+++ b/lib/ultrajsondec.c
@@ -44,6 +44,7 @@ Numeric decoder derived from from TCL library
 #include <wchar.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <stdint.h>
 
 #ifndef TRUE
 #define TRUE 1