diff --git a/converter/ps2_usb/Makefile b/converter/ps2_usb/Makefile
index edcbddfd..51b22256 100644
--- a/converter/ps2_usb/Makefile
+++ b/converter/ps2_usb/Makefile
@@ -87,8 +87,8 @@ NKRO_ENABLE = yes	# USB Nkey Rollover - not yet supported in LUFA
 
 # PS/2 Options
 #
-PS2_USE_USART = yes	# uses hardware USART engine for PS/2 signal receive(recomened)
-#PS2_USE_INT = yes	# uses external interrupt for falling edge of PS/2 clock pin
+#PS2_USE_USART = yes	# uses hardware USART engine for PS/2 signal receive(recomened)
+PS2_USE_INT = yes	# uses external interrupt for falling edge of PS/2 clock pin
 #PS2_USE_BUSYWAIT = yes	# uses primitive reference code
 
 
diff --git a/converter/ps2_usb/README.md b/converter/ps2_usb/README.md
index 8a535949..74464e26 100644
--- a/converter/ps2_usb/README.md
+++ b/converter/ps2_usb/README.md
@@ -14,7 +14,7 @@ In case of Teensy2.0(ATMega32U4):
     - **USART**:       **Clock** is on `PD5` and **Data** on `PD2`.
 3. Optionally you need pull-up resistor. 1K-10K Ohm is OK.
 
-To change pin configuration edit config.h.
+To change pin configuration edit **config.h** and **Makefile**.
 
 
 Build Firmware
diff --git a/converter/ps2_usb/config.h b/converter/ps2_usb/config.h
index c9bab1b0..c0a4fab1 100644
--- a/converter/ps2_usb/config.h
+++ b/converter/ps2_usb/config.h
@@ -50,11 +50,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define PS2_CLOCK_PORT  PORTD
 #define PS2_CLOCK_PIN   PIND
 #define PS2_CLOCK_DDR   DDRD
-#define PS2_CLOCK_BIT   5
+#define PS2_CLOCK_BIT   1
 #define PS2_DATA_PORT   PORTD
 #define PS2_DATA_PIN    PIND
 #define PS2_DATA_DDR    DDRD
-#define PS2_DATA_BIT    2
+#define PS2_DATA_BIT    0
 #endif
 
 /*
@@ -69,7 +69,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define PS2_DATA_PORT   PORTD
 #define PS2_DATA_PIN    PIND
 #define PS2_DATA_DDR    DDRD
-#define PS2_DATA_BIT    2
+#define PS2_DATA_BIT    0
 #define PS2_INT_INIT()  do {    \
     EICRA |= ((1<<ISC11) |      \
               (0<<ISC10));      \