From 8bbb404fab8dbb2491f1cde4efb01ae4693dcd67 Mon Sep 17 00:00:00 2001
From: buliabyak <buliabyak@users.sourceforge.net>
Date: Thu, 1 Jan 2009 07:31:51 +0000
Subject: [PATCH] fix crash when ungrouping a group with set-then-unset filter

---
 src/style.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/style.cpp b/src/style.cpp
index 4fd8577b9..ad4e509f6 100644
--- a/src/style.cpp
+++ b/src/style.cpp
@@ -2197,7 +2197,7 @@ sp_style_merge_ifilter(SPStyle *style, SPIFilter const *parent)
             style->filter.href->changedSignal().connect(sigc::bind(sigc::ptr_fun(sp_style_filter_ref_changed), style));
     }
 
-    if (style->filter.href && parent->href) {
+    if (style->filter.href && parent->href && parent->href->getObject()) {
         try {
             style->filter.href->attach(*parent->href->getURI());
         } catch (Inkscape::BadURIException &e) {
-- 
2.30.2