diff --git a/libvoice/voice-types.h b/libvoice/voice-types.h
index ccdac7833a6101c4629b8618f4f7691661988e6f..74cfb67b65604e11ecf3359af1401ad14f665add 100644
--- a/libvoice/voice-types.h
+++ b/libvoice/voice-types.h
@@ -4,6 +4,8 @@
 #ifndef __VOICE_TYPES_H
 #define __VOICE_TYPES_H
 
+#include <stdint.h>
+
 #define RTP_HEADER_SIZE    12
 
 typedef enum callid_state {