From 5cb63d6c6c49917f9277bb8a7a211f4a5b483c3f Mon Sep 17 00:00:00 2001
From: Jabier Arraiza Cenoz <jabier.arraiza@marker.es>
Date: Fri, 14 Oct 2016 21:13:17 +0200
Subject: Fix bug:1633521 on powerstroke

Fixed bugs:
  - https://launchpad.net/bugs/1633521

(bzr r15170)
---
 src/sp-lpe-item.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/sp-lpe-item.cpp b/src/sp-lpe-item.cpp
index c4247bd5a..f0b46a547 100644
--- a/src/sp-lpe-item.cpp
+++ b/src/sp-lpe-item.cpp
@@ -23,6 +23,7 @@
 #include "live_effects/lpe-path_length.h"
 #include "live_effects/lpeobject.h"
 #include "live_effects/lpeobject-reference.h"
+#include "live_effects/lpe-measure-line.h"
 
 #include "sp-path.h"
 #include "sp-item-group.h"
@@ -122,10 +123,14 @@ void SPLPEItem::set(unsigned int key, gchar const* value) {
 
                 while ( it != this->path_effect_list->end() )
                 {
-                    LivePathEffectObject *lpeobj = (*it)->lpeobject;
-                    lpeobj->get_lpe()->doOnRemove(this);
+                    if (!value) {
+                        LivePathEffectObject *lpeobj = (*it)->lpeobject;
+                        if (Inkscape::LivePathEffect::LPEMeasureLine * lpe = dynamic_cast<Inkscape::LivePathEffect::LPEMeasureLine *>(lpeobj->get_lpe())) {
+                            lpe->doOnRemove(this);
+                        }
+                    }
                     (*it)->unlink();
-                    delete (*it);
+                    delete *it;
                     it = this->path_effect_list->erase(it);
                 }
 
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