diff -urNp 2.4.19pre10ac1/arch/i386/kernel/apm.c 2.4.19pre10ac2/arch/i386/kernel/apm.c
--- 2.4.19pre10ac1/arch/i386/kernel/apm.c	Wed Jun  5 02:08:33 2002
+++ 2.4.19pre10ac2/arch/i386/kernel/apm.c	Wed Jun  5 22:07:43 2002
@@ -1786,7 +1786,7 @@ static int __init apm_setup(char *str)
 			idle_threshold = simple_strtol(str + 15, NULL, 0);
 		if ((strncmp(str, "idle-period=", 12) == 0) ||
 		    (strncmp(str, "idle_period=", 12) == 0))
-			idle_threshold = simple_strtol(str + 15, NULL, 0);
+			idle_period = simple_strtol(str + 12, NULL, 0);
 		invert = (strncmp(str, "no-", 3) == 0) ||
 			(strncmp(str, "no_", 3) == 0);
 		if (invert)