diff --git a/camino/src/history/HistoryItem.mm b/camino/src/history/HistoryItem.mm
index 4fb8913ee422..988b4ae66167 100644
--- a/camino/src/history/HistoryItem.mm
+++ b/camino/src/history/HistoryItem.mm
@@ -226,7 +226,7 @@ enum
 
 - (HistoryItem*)childAtIndex:(int)inIndex
 {
-  if (inIndex >= 0 && inIndex < [mChildren count])
+  if (inIndex >= 0 && inIndex < (int)[mChildren count])
     return [mChildren objectAtIndex:inIndex];
     
   return nil;