diff --git a/js/src/xpconnect/crashtests/crashtests.list b/js/src/xpconnect/crashtests/crashtests.list
index 54947a55de1..ce10de174a2 100644
--- a/js/src/xpconnect/crashtests/crashtests.list
+++ b/js/src/xpconnect/crashtests/crashtests.list
@@ -8,3 +8,4 @@ load 394810-1.html
 load 403356-1.html
 load 418139-1.svg
 load 420513-1.html
+load 462926.html
diff --git a/js/src/xpconnect/src/xpcquickstubs.h b/js/src/xpconnect/src/xpcquickstubs.h
index 0bafed8f5f0..99379b36dd7 100644
--- a/js/src/xpconnect/src/xpcquickstubs.h
+++ b/js/src/xpconnect/src/xpcquickstubs.h
@@ -266,7 +266,7 @@ public:
 
 struct xpc_qsSelfRef
 {
-    xpc_qsSelfRef() {}
+    xpc_qsSelfRef() : ptr(nsnull) {}
     explicit xpc_qsSelfRef(nsISupports *p) : ptr(p) {}
     ~xpc_qsSelfRef() { NS_IF_RELEASE(ptr); }