Index: gkrellm-2.3.2/src/sysdeps/linux.c
===================================================================
--- gkrellm-2.3.2.orig/src/sysdeps/linux.c	2009-03-11 12:34:09.004369667 -0600
+++ gkrellm-2.3.2/src/sysdeps/linux.c	2009-03-11 12:34:34.940367495 -0600
@@ -1873,7 +1873,8 @@
 			}
 		else
 			{
-			percent = charge_now * 100 / charge_full;
+			if (charge_full == 0) percent = 0;
+			else percent = charge_now * 100 / charge_full;
 			}
 
 		/*  Get charging status.  */