diff --git a/bigint/bigint.c b/bigint/bigint.c
index 676f149..6d77cdf 100644
--- a/bigint/bigint.c
+++ b/bigint/bigint.c
@@ -61,7 +61,7 @@
 
 #if DEBUG
 #include "cli.h"
-#include "uart_i.h"
+#include "uart.h"
 #include "bigint_io.h"
 #endif
 
diff --git a/ecdsa/ecc_chudnovsky.c b/ecdsa/ecc_chudnovsky.c
index a9ed4a7..339c27e 100644
--- a/ecdsa/ecc_chudnovsky.c
+++ b/ecdsa/ecc_chudnovsky.c
@@ -27,7 +27,7 @@
 #if 1
 #include <stdio.h>
 #include "bigint_io.h"
-#include "uart_i.h"
+#include "uart.h"
 #include <avr/pgmspace.h>
 #endif