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-rw-r--r--gn2/wqflask/marker_regression/display_mapping_results.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/gn2/wqflask/marker_regression/display_mapping_results.py b/gn2/wqflask/marker_regression/display_mapping_results.py
index dec414c0..74c10a53 100644
--- a/gn2/wqflask/marker_regression/display_mapping_results.py
+++ b/gn2/wqflask/marker_regression/display_mapping_results.py
@@ -773,8 +773,9 @@ class DisplayMappingResults:
             pass
 
         # draw position, no need to use a separate function
-        self.drawProbeSetPosition(
-            canvas, plotXScale, offset=newoffset, zoom=zoom)
+        if self.traitList[0].mb: # Only draw if position actually exists
+            self.drawProbeSetPosition(
+                canvas, plotXScale, offset=newoffset, zoom=zoom)
 
         return gifmap