diff -r 24a34b7a693d -r 43a8ecb53637 brewco/prompt.c
--- a/brewco/prompt.c	Sat Dec 12 21:47:04 2015 +0100
+++ b/brewco/prompt.c	Sat Dec 12 22:17:25 2015 +0100
@@ -32,12 +32,12 @@
 
 
 
-void prompt(int index, char *text)
+void prompt(int idx, char *text)
 {
     char	message[81];
     int		line;
 
-    switch (index) {
+    switch (idx) {
 	case 0:
 #ifdef HAVE_WIRINGPI_H
 			piLock(LOCK_LCD);
@@ -174,11 +174,11 @@
 	default:	snprintf(message, Config.lcd_cols + 1, "   N/A        N/A");
     }
 
-    if (index < 200)
+    if (idx < 200)
 	line = 0;
-    else if (index < 300)
+    else if (idx < 300)
 	line = 1;
-    else if (index < 400)
+    else if (idx < 400)
 	line = 2;
     else
 	line = 3;