diff --git a/src/SIL.Machine.Morphology.HermitCrab/MorphologicalRules/SynthesisAffixProcessAllomorphRuleSpec.cs b/src/SIL.Machine.Morphology.HermitCrab/MorphologicalRules/SynthesisAffixProcessAllomorphRuleSpec.cs
index bfb80961..aab74102 100644
--- a/src/SIL.Machine.Morphology.HermitCrab/MorphologicalRules/SynthesisAffixProcessAllomorphRuleSpec.cs
+++ b/src/SIL.Machine.Morphology.HermitCrab/MorphologicalRules/SynthesisAffixProcessAllomorphRuleSpec.cs
@@ -195,7 +195,11 @@ public Word ApplyRhs(PatternRule<Word, ShapeNode> rule, Match<Word, ShapeNode> m
                     {
                         // an existing morph has been completely subsumed by the new morph
                         // mark the subsumed morph so we don't lose track of it
-                        Annotation<ShapeNode> outputMorph = output.MarkSubsumedMorph(outputNewMorph, allomorph, morphID);
+                        Annotation<ShapeNode> outputMorph = output.MarkSubsumedMorph(
+                            outputNewMorph,
+                            allomorph,
+                            morphID
+                        );
                         MarkSubsumedMorphs(match.Input, output, inputMorph, outputMorph);
                     }
                 }