diff --git a/cpu/avr/Makefile.avr b/cpu/avr/Makefile.avr
index a98c8e44d..8a94b9eb0 100644
--- a/cpu/avr/Makefile.avr
+++ b/cpu/avr/Makefile.avr
@@ -105,6 +105,7 @@ CC       = avr-gcc
 LD       = avr-gcc
 AS       = avr-as
 AR       = avr-ar
+ELF_SIZE = avr-size -C --mcu=$(MCU)
 OBJCOPY  = avr-objcopy
 STRIP    = avr-strip
 CFLAGSNO = -Wall -mmcu=$(MCU) -gdwarf-2 -fno-strict-aliasing \
diff --git a/examples/webserver-ipv6/Makefile b/examples/webserver-ipv6/Makefile
index 549656638..c87a5e85b 100644
--- a/examples/webserver-ipv6/Makefile
+++ b/examples/webserver-ipv6/Makefile
@@ -25,8 +25,12 @@ endif
 #copy output to e.g. webserver-nano.sky, raven-webserver.avr-raven
 $(WITH_WEBSERVER) : $(CONTIKI_PROJECT)
 	cp $(CONTIKI_PROJECT).$(TARGET) $(WITH_WEBSERVER).$(TARGET)
+	@if (test -n "$(ELF_SIZE)");then $(ELF_SIZE) $(WITH_WEBSERVER).$(TARGET);fi
 else
 APPS=webserver
+
+all : $(CONTIKI_PROJECT)
+	@if (test -n "$(ELF_SIZE)");then $(ELF_SIZE) $(CONTIKI_PROJECT).$(TARGET);fi	
 endif
 
 UIP_CONF_IPV6=1