diff --git a/src/Makefile b/src/Makefile
index 7364d70..f14a372 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@ SRC	= test.c \
 	  log.c \
 	  xpath.c \
 	  hal.c \
-	  otp.c \
+	  pad.c \
 	  volume.c \
 	  device.c
 OBJ	= $(SRC:.c=.o)
diff --git a/src/otp.c b/src/pad.c
similarity index 100%
rename from src/otp.c
rename to src/pad.c