Index: scribus/plugins/fileloader/scribus170format/scribus170format.cpp
===================================================================
--- scribus/plugins/fileloader/scribus170format/scribus170format.cpp	(Revision 26493)
+++ scribus/plugins/fileloader/scribus170format/scribus170format.cpp	(Arbeitskopie)
@@ -2579,10 +2579,14 @@
 		doc->guidesPrefs().minorGridColor = QColor(attrs.valueAsString("MINORC"));
 	if (attrs.hasAttribute("MAJORC"))
 		doc->guidesPrefs().majorGridColor = QColor(attrs.valueAsString("MAJORC"));
-	if (attrs.hasAttribute("GuideC"))
+	if (attrs.hasAttribute("GuideC")) //legacy < 1.7.x
 		doc->guidesPrefs().guideColor = QColor(attrs.valueAsString("GuideC"));
-	if (attrs.hasAttribute("BaseC"))
+	if (attrs.hasAttribute("GuidesColor"))
+		doc->guidesPrefs().guideColor = QColor(attrs.valueAsString("GuidesColor"));
+	if (attrs.hasAttribute("BaseC")) //legacy < 1.7.x
 		doc->guidesPrefs().baselineGridColor  = QColor(attrs.valueAsString("BaseC"));
+	if (attrs.hasAttribute("BaselineGridColor"))
+		doc->guidesPrefs().baselineGridColor  = QColor(attrs.valueAsString("BaselineGridColor"));
 	if (attrs.hasAttribute("BACKG"))
 	{
 		doc->guidesPrefs().renderStackOrder.clear();
Index: scribus/plugins/fileloader/scribus170format/scribus170format_save.cpp
===================================================================
--- scribus/plugins/fileloader/scribus170format/scribus170format_save.cpp	(Revision 26493)
+++ scribus/plugins/fileloader/scribus170format/scribus170format_save.cpp	(Arbeitskopie)
@@ -497,8 +497,8 @@
 	docu.writeAttribute("constrain", m_Doc->opToolPrefs().constrain);
 	docu.writeAttribute("MINORC",m_Doc->guidesPrefs().minorGridColor.name());
 	docu.writeAttribute("MAJORC",m_Doc->guidesPrefs().majorGridColor.name());
-	docu.writeAttribute("GuideC", m_Doc->guidesPrefs().guideColor.name());
-	docu.writeAttribute("BaseC", m_Doc->guidesPrefs().baselineGridColor.name());
+	docu.writeAttribute("GuidesColor", m_Doc->guidesPrefs().guideColor.name());
+	docu.writeAttribute("BaselineGridColor", m_Doc->guidesPrefs().baselineGridColor.name());
 	QString renderStack;
 	int renderStackCount = m_Doc->guidesPrefs().renderStackOrder.count();
 	for (int r = 0; r < renderStackCount; r++)
Index: scribus/prefsmanager.cpp
===================================================================
--- scribus/prefsmanager.cpp	(Revision 26493)
+++ scribus/prefsmanager.cpp	(Arbeitskopie)
@@ -2173,12 +2173,18 @@
 			}
 			appPrefs.guidesPrefs.gridType = dc.attribute("GridType", "0").toInt();
 			appPrefs.guidesPrefs.gridShown = static_cast<bool>(dc.attribute("ShowGrid", "0").toInt());
-			if (dc.hasAttribute("GuideC"))
-				appPrefs.guidesPrefs.guideColor = QColor(dc.attribute("GuideC"));
-			if (dc.hasAttribute("GuideZ"))
+			if (dc.hasAttribute("GuideC")) // legacy < 1.7.x
+				appPrefs.guidesPrefs.guideColor = QColor(dc.attribute("GuideC", "#000080"));
+			if (dc.hasAttribute("GuidesColor"))
+				appPrefs.guidesPrefs.guideColor = QColor(dc.attribute("GuidesColor", "#000080"));
+			if (dc.hasAttribute("GuideZ")) // legacy
+				appPrefs.guidesPrefs.guideRad = ScCLocale::toDoubleC(dc.attribute("GuideZ"), 10.0);
+			if (dc.hasAttribute("ObjectToGuideSnapRadius"))
 				appPrefs.guidesPrefs.guideRad = ScCLocale::toDoubleC(dc.attribute("ObjectToGuideSnapRadius"), 10.0);
-			if (dc.hasAttribute("BaseC"))
-				appPrefs.guidesPrefs.baselineGridColor = QColor(dc.attribute("BaselineGridColor"));
+			if (dc.hasAttribute("BaseC")) // legacy < 1.7.x
+				appPrefs.guidesPrefs.baselineGridColor = QColor(dc.attribute("BaseC", "#c0c0c0"));
+			if (dc.hasAttribute("BaselineGridColor"))
+				appPrefs.guidesPrefs.baselineGridColor = QColor(dc.attribute("BaselineGridColor", "#c0c0c0"));
 			appPrefs.guidesPrefs.marginColor = QColor(dc.attribute("MarginColor", "#0000ff"));
 			appPrefs.guidesPrefs.valueBaselineGrid   = ScCLocale::toDoubleC(dc.attribute("BaselineGridDistance"), 12.0);
 			appPrefs.guidesPrefs.offsetBaselineGrid  = ScCLocale::toDoubleC(dc.attribute("BaselineGridOffset"), 0.0);