diff --git a/Mikado/picking/picker.py b/Mikado/picking/picker.py
index c102dd210..67ca4a984 100644
--- a/Mikado/picking/picker.py
+++ b/Mikado/picking/picker.py
@@ -822,7 +822,7 @@ def __test_sortedness(self, row, coords):
         else:
             chrom, start, end = coords.chrom, coords.start, coords.end
 
-        if any(_ is True for _ in coords):
+        if any(_ is None for _ in coords):
             return True
         if chrom > row.chrom:
             test = False