diff --git a/adc/Makefile b/adc/Makefile
index 6a6a6f2..17dcc8a 100644
--- a/adc/Makefile
+++ b/adc/Makefile
@@ -17,7 +17,7 @@ DEL    = rm -f
 
 # zdrojaky
 OBJS   = main.o adcclass.o
-OBJS  += usartclass.o print.o
+OBJS  += usart.o print.o
 
 include $(TARGET)/$(TOOL).mk
 BOBJS = $(addprefix $(BLD),$(OBJS))
diff --git a/adc/main.cpp b/adc/main.cpp
index 6bbf3dd..535f0a9 100644
--- a/adc/main.cpp
+++ b/adc/main.cpp
@@ -1,12 +1,12 @@
 #include "gpio.h"
-#include "usartclass.h"
+#include "usart.h"
 #include "print.h"
 #include "adcclass.h"
 #include "oneway.h"
 //////////////////////////////////////
 class Process : public OneWay {
   GpioClass         led;
-  UsartClass        serial;
+  Usart             serial;
   Print             cout;
   FIFO<uint16_t, 8> data;
   int               pass_cnt;