diff --git a/accessible/mac/mozAccessible.mm b/accessible/mac/mozAccessible.mm
index 4426af45b7b..6cf74982b23 100644
--- a/accessible/mac/mozAccessible.mm
+++ b/accessible/mac/mozAccessible.mm
@@ -100,7 +100,7 @@ a11y::GetProxyUnignoredChildren(const ProxyAccessible* aProxy,
 
     // If element is ignored, then add its children as substitutes.
     if (IsProxyIgnored(childProxy)) {
-      GetProxyUnignoredChildren(aProxy, aChildrenArray);
+      GetProxyUnignoredChildren(childProxy, aChildrenArray);
       continue;
     }