diff --git a/odxtools/compumethods/linearsegment.py b/odxtools/compumethods/linearsegment.py
index b3fabd3b..e61df751 100644
--- a/odxtools/compumethods/linearsegment.py
+++ b/odxtools/compumethods/linearsegment.py
@@ -38,7 +38,7 @@ def from_compu_scale(scale: CompuScale, *, internal_type: DataType,
         coeffs = odxrequire(scale.compu_rational_coeffs)
 
         offset = coeffs.numerators[0]
-        factor = coeffs.numerators[1]
+        factor = 0 if len(coeffs.numerators) == 1 else coeffs.numerators[1]
 
         denominator = 1.0
         if len(coeffs.denominators) > 0: