diff --git a/payloads/libpayload/include/i386/arch/rdtsc.h b/payloads/libpayload/include/i386/arch/rdtsc.h
index 52f8c9c83c..ef23e0e247 100644
--- a/payloads/libpayload/include/i386/arch/rdtsc.h
+++ b/payloads/libpayload/include/i386/arch/rdtsc.h
@@ -30,6 +30,8 @@
 #ifndef _ARCH_RDTSC_H
 #define _ARCH_RDTSC_H
 
+#include <stdint.h>
+
 static u64 rdtsc(void)
 {
 	u64 val;