diff --strip-trailing-cr -u -r rockbox-daily-20060909_org/apps/recorder/recording.c rockbox-daily-20060909/apps/recorder/recording.c
--- rockbox-daily-20060909_org/apps/recorder/recording.c	2006-09-04 06:00:50.000000000 +0200
+++ rockbox-daily-20060909/apps/recorder/recording.c	2006-09-11 22:15:02.000000000 +0200
@@ -195,11 +195,18 @@
             return false;
 
     if (*peak_r > *peak_l)
-        balance_mem[peak_time % BAL_MEM_SIZE] =
-            MIN((10000 * *peak_r) / *peak_l - 10000, 15118);
+    {
+        if (*peak_l)
+            balance_mem[peak_time % BAL_MEM_SIZE] =
+                MIN((10000 * *peak_r) / *peak_l - 10000, 15118);
+    }
     else
-        balance_mem[peak_time % BAL_MEM_SIZE] =
-            MAX(10000 - (10000 * *peak_l) / *peak_r, -15118);
+    {
+        if (*peak_r)
+            balance_mem[peak_time % BAL_MEM_SIZE] =
+                MAX(10000 - (10000 * *peak_l) / *peak_r, -15118);
+    }
+
     *balance = 0;
     int i;
     for (i = 0; i < BAL_MEM_SIZE; i++)