diff --git a/src/utils/kateconfig.cpp b/src/utils/kateconfig.cpp
--- a/src/utils/kateconfig.cpp
+++ b/src/utils/kateconfig.cpp
@@ -184,6 +184,7 @@
       m_smartHomeSet(false),
       m_showTabsSet(false),
       m_showSpacesSet(false),
+      m_markerSize(1),
       m_replaceTabsDynSet(false),
       m_removeSpacesSet(false),
       m_newLineAtEofSet(false),
@@ -228,6 +229,7 @@
       m_smartHomeSet(false),
       m_showTabsSet(false),
       m_showSpacesSet(false),
+      m_markerSize(1),
       m_replaceTabsDynSet(false),
       m_removeSpacesSet(false),
       m_newLineAtEofSet(false),
@@ -266,6 +268,7 @@
       m_smartHomeSet(false),
       m_showTabsSet(false),
       m_showSpacesSet(false),
+      m_markerSize(1),
       m_replaceTabsDynSet(false),
       m_removeSpacesSet(false),
       m_newLineAtEofSet(false),