diff -ur gnome-applets-2.16.2/battstat/acpi-linux.c gnome-applets-2.16.2-battery/battstat/acpi-linux.c
--- gnome-applets-2.16.2/battstat/acpi-linux.c	2005-07-04 15:15:17.000000000 +0100
+++ gnome-applets-2.16.2-battery/battstat/acpi-linux.c	2007-06-16 17:44:52.000000000 +0100
@@ -196,17 +196,20 @@
   DIR * procdir;
   struct dirent * procdirentry;
   char buf[BUFSIZ];
+  gchar *pbuf;
 
   acpiinfo->max_capacity = 0;
   acpiinfo->low_capacity = 0;
   acpiinfo->critical_capacity = 0;
 
-  hash = read_file ("/proc/acpi/info", buf, sizeof (buf));
-  if (!hash)
-    return FALSE;
-
-  acpi_ver = read_ulong (hash, "version");
-  g_hash_table_destroy (hash);
+  if (g_file_get_contents ("/sys/module/acpi/parameters/acpica_version", &pbuf, NULL, NULL)) {
+    acpi_ver = strtoul (pbuf, NULL, 10);
+    g_free(pbuf);
+  } else if (hash = read_file ("/proc/acpi/info", buf, sizeof (buf))) {
+      acpi_ver = read_ulong (hash, "version");
+      g_hash_table_destroy (hash);
+  } else
+      return FALSE;
 
   if (acpi_ver < (gulong)20020208) {
     acpiinfo->ac_state_state = "status";