diff --git a/src/consensus/amount.h b/src/consensus/amount.h
index b01615ac65..8b41a2277d 100644
--- a/src/consensus/amount.h
+++ b/src/consensus/amount.h
@@ -6,7 +6,7 @@
 #ifndef BITCOIN_CONSENSUS_AMOUNT_H
 #define BITCOIN_CONSENSUS_AMOUNT_H
 
-#include <stdint.h>
+#include <cstdint>
 
 /** Amount in satoshis (Can be negative) */
 typedef int64_t CAmount;