diff --git a/src/plugins/tools/xor/lay_plugin/XORToolDialog.ui b/src/plugins/tools/xor/lay_plugin/XORToolDialog.ui
index b9ad1d6c8..a766196e0 100644
--- a/src/plugins/tools/xor/lay_plugin/XORToolDialog.ui
+++ b/src/plugins/tools/xor/lay_plugin/XORToolDialog.ui
@@ -341,7 +341,7 @@
       <item row="4" column="1" colspan="2">
        <widget class="QCheckBox" name="summarize_cb">
         <property name="text">
-         <string>Summarize missing layers</string>
+         <string>Summarize missing layers (when output is marker DB)</string>
         </property>
         <property name="checked">
          <bool>true</bool>
diff --git a/src/plugins/tools/xor/lay_plugin/layXORToolDialog.cc b/src/plugins/tools/xor/lay_plugin/layXORToolDialog.cc
index 3750f683a..3cdb94b83 100644
--- a/src/plugins/tools/xor/lay_plugin/layXORToolDialog.cc
+++ b/src/plugins/tools/xor/lay_plugin/layXORToolDialog.cc
@@ -1420,7 +1420,7 @@ XORToolDialog::run_xor ()
 
     size_t todo_count = 0;
     XORJob::EmptyLayerHandling el_handling = XORJob::EL_optimize;
-    if (summarize) {
+    if (summarize && output_mode == OMMarkerDatabase) {
       el_handling = XORJob::EL_summarize;
     } else if (process_el) {
       el_handling = XORJob::EL_process;