diff --git a/sources/editor/ui/qetelementeditor.cpp b/sources/editor/ui/qetelementeditor.cpp
index 45530dc98..31ce8482d 100644
--- a/sources/editor/ui/qetelementeditor.cpp
+++ b/sources/editor/ui/qetelementeditor.cpp
@@ -736,11 +736,13 @@ bool QETElementEditor::checkElement()
 	QList<QETWarning> warnings;
 	QList<QETWarning> errors;
 
-	// Warning #1: Element haven't got terminal
+	// Warning #1: Element does not have (enough) terminals
 	// (except for report and conductor definition, because they must have one terminal and this checking is done below)
+	// (another exception: "thumbnails" aka "front-views" may/should not have terminals)
 	if (!m_elmt_scene -> containsTerminals() &&
 		!(m_elmt_scene->elementData().m_type & ElementData::AllReport) &&
-		m_elmt_scene->elementData().m_type != ElementData::ConductorDefinition) {
+		m_elmt_scene->elementData().m_type != ElementData::ConductorDefinition &&
+		m_elmt_scene->elementData().m_type != ElementData::Thumbnail) {
 		warnings << qMakePair(
 			tr("Absence de borne", "warning title"),
 							  tr(
@@ -749,50 +751,50 @@ bool QETElementEditor::checkElement()
 			"warning description"
 							  )
 		);
-		}
+	}
 
-		// Check folio report element
-		if (m_elmt_scene->elementData().m_type & ElementData::AllReport)
-		{
-			int terminal =0;
+	// Check folio report element
+	if (m_elmt_scene->elementData().m_type & ElementData::AllReport)
+	{
+		int terminal =0;
 
-			for(auto qgi : m_elmt_scene -> items()) {
-				if (qgraphicsitem_cast<PartTerminal *>(qgi)) {
-					terminal ++;
-				}
-			}
-
-			//Error folio report must have only one terminal
-			if (terminal != 1) {
-				errors << qMakePair (tr("Absence de borne"),
-									 tr("<br><b>Erreur</b> :"
-									 "<br>Les reports de folio doivent posséder une seul borne."
-									 "<br><b>Solution</b> :"
-									 "<br>Verifier que l'élément ne possède qu'une seul borne"));
+		for(auto qgi : m_elmt_scene -> items()) {
+			if (qgraphicsitem_cast<PartTerminal *>(qgi)) {
+				terminal ++;
 			}
 		}
 
-		// Check conductor definition element
-		if (m_elmt_scene->elementData().m_type == ElementData::ConductorDefinition)
-		{
-			int terminal =0;
+		//Error folio report must have only one terminal
+		if (terminal != 1) {
+			errors << qMakePair (tr("Absence de borne"),
+								 tr("<br><b>Erreur</b> :"
+								 "<br>Les reports de folio doivent posséder une seul borne."
+								 "<br><b>Solution</b> :"
+								 "<br>Verifier que l'élément ne possède qu'une seul borne"));
+		}
+	}
 
-			for(auto qgi : m_elmt_scene -> items()) {
-				if (qgraphicsitem_cast<PartTerminal *>(qgi)) {
-					terminal ++;
-				}
-			}
+	// Check conductor definition element
+	if (m_elmt_scene->elementData().m_type == ElementData::ConductorDefinition)
+	{
+		int terminal =0;
 
-			// Error: Conductor definition must have exactly one terminal
-			if (terminal != 1) {
-				errors << qMakePair (tr("Nombre de bornes incorrect"),
-									 tr("<br><b>Erreur</b> :"
-									 "<br>Les définitions de conducteur ne peuvent posséder qu'une seule borne."
-									 "<br><b>Solution</b> :"
-									 "<br>Vérifier que l'élément ne possède qu'une seule borne"));
+		for(auto qgi : m_elmt_scene -> items()) {
+			if (qgraphicsitem_cast<PartTerminal *>(qgi)) {
+				terminal ++;
 			}
 		}
 
+		// Error: Conductor definition must have exactly one terminal
+		if (terminal != 1) {
+			errors << qMakePair (tr("Nombre de bornes incorrect"),
+								 tr("<br><b>Erreur</b> :"
+								 "<br>Les définitions de conducteur ne peuvent posséder qu'une seule borne."
+								 "<br><b>Solution</b> :"
+								 "<br>Vérifier que l'élément ne possède qu'une seule borne"));
+		}
+	}
+
 	if (!errors.count() && !warnings.count()) {
 		return(true);
 	}