From f832d479e95e1809901c26740a53740a298fd3f5 Mon Sep 17 00:00:00 2001
From: Roel Baars <6567747+Thanatomanic@users.noreply.github.com>
Date: Mon, 22 Oct 2018 20:32:55 +0200
Subject: [PATCH] Fixes #4883

---
 rtengine/improccoordinator.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtengine/improccoordinator.cc b/rtengine/improccoordinator.cc
index 832d193a2..8532a2382 100644
--- a/rtengine/improccoordinator.cc
+++ b/rtengine/improccoordinator.cc
@@ -896,7 +896,7 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
 
     // process crop, if needed
     for (size_t i = 0; i < crops.size(); i++)
-        if (crops[i]->hasListener() && (panningRelatedChange || (todo & (M_MONITOR | M_RGBCURVE | M_LUMACURVE)) || crops[i]->get_skip() == 1)) {
+        if (crops[i]->hasListener() && (panningRelatedChange || (highDetailNeeded && options.prevdemo != PD_Sidecar) || (todo & (M_MONITOR | M_RGBCURVE | M_LUMACURVE)) || crops[i]->get_skip() == 1)) {
             crops[i]->update(todo);     // may call ourselves
         }