diff --git a/fastclient/client.c b/fastclient/client.c
index 4432d3f9b82116752aa79af4a487f4d61c0bf857..fd39523804a6185c525fcf412f89e9036f46f6a7 100644
--- a/fastclient/client.c
+++ b/fastclient/client.c
@@ -3,6 +3,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <stdint.h>
 #include <stdlib.h>
 
 #include <vector>
diff --git a/fastclient/flash.c b/fastclient/flash.c
index 1c4d4b9b11edae8b49969006c20e61c8c5c86dc1..797d514394b43f798c2759d6bcce88889e8c51ca 100644
--- a/fastclient/flash.c
+++ b/fastclient/flash.c
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #include <vector>
 #include <math.h>
diff --git a/fastclient/snow.c b/fastclient/snow.c
index 55a97fffe1396fdd79dbe94a84c324ec9b56d849..619bdfdafeae5e774ce1f04c9d3fdbc2b5c20069 100644
--- a/fastclient/snow.c
+++ b/fastclient/snow.c
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #include <vector>
 #include <math.h>