diff --git a/plugins/gemalto.c b/plugins/gemalto.c
index 011713e6..45ec0cf9 100644
--- a/plugins/gemalto.c
+++ b/plugins/gemalto.c
@@ -25,6 +25,7 @@
 
 #include <errno.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #include <glib.h>
 #include <gatchat.h>