1 files changed, 1 insertions, 1 deletions
diff --git a/src/config.h b/src/config.h
index 8874cff..02a3389 100644
--- a/src/config.h
+++ b/src/config.h
@@ -290,7 +290,7 @@ class ConfigBool : public ConfigOption
         t << endl;
       }
       t << m_name << m_spaces.left(MAX_OPTION_LENGTH-m_name.length()) << "= ";
-      if (upd)
+      if (upd && !m_valueString.isEmpty())
       {
         writeStringValue(t,m_valueString);
       }