diff --git a/gsrs-module-substances-core/src/main/resources/substances-core.conf b/gsrs-module-substances-core/src/main/resources/substances-core.conf
index e843f0ff..c9320ea5 100644
--- a/gsrs-module-substances-core/src/main/resources/substances-core.conf
+++ b/gsrs-module-substances-core/src/main/resources/substances-core.conf
@@ -955,4 +955,4 @@ gsrs.renderers.list=[
 
 # for molwitch-cdk 1.0.18 and the associated changes in MolwitchLoader in this project:
 gsrs.structure.chemical.molwitch.complexityCutoff=7
-gsrs.structure.chemical.molwitch.maxUndefined=5
+gsrs.structure.chemical.molwitch.maxUndefinedStereoCenters=5