diff --git a/toonz/sources/toonzlib/outputproperties.cpp b/toonz/sources/toonzlib/outputproperties.cpp
index 3951752..0ea61b2 100644
--- a/toonz/sources/toonzlib/outputproperties.cpp
+++ b/toonz/sources/toonzlib/outputproperties.cpp
@@ -97,7 +97,7 @@ TOutputProperties &TOutputProperties::operator=(const TOutputProperties &src) {
 
   std::map<std::string, TPropertyGroup *>::const_iterator sft,
       sfEnd = src.m_formatProperties.end();
-  for (sft = src.m_formatProperties.end(); sft != sfEnd; ++sft)
+  for (sft = src.m_formatProperties.begin(); sft != sfEnd; ++sft)
     m_formatProperties[sft->first] = sft->second->clone();
 
   return *this;
diff --git a/toonz/sources/toonzlib/sceneproperties.cpp b/toonz/sources/toonzlib/sceneproperties.cpp
index 154bfd5..76b6e25 100644
--- a/toonz/sources/toonzlib/sceneproperties.cpp
+++ b/toonz/sources/toonzlib/sceneproperties.cpp
@@ -80,8 +80,6 @@ void TSceneProperties::assign(const TSceneProperties *sprop) {
     for (int i     = 0; i < (int)m_cameras.size(); i++)
       m_cameras[i] = new TCamera(*m_cameras[i]);
   }
-  *m_outputProp           = *sprop->m_outputProp;
-  *m_previewProp          = *sprop->m_previewProp;
   m_bgColor               = sprop->m_bgColor;
   m_markerDistance        = sprop->m_markerDistance;
   m_markerOffset          = sprop->m_markerOffset;