diff --git a/source/blender/blenkernel/intern/paint.cc b/source/blender/blenkernel/intern/paint.cc
index 6606034047a..c8d93c3039d 100644
--- a/source/blender/blenkernel/intern/paint.cc
+++ b/source/blender/blenkernel/intern/paint.cc
@@ -2719,6 +2719,11 @@ static SculptAttribute *sculpt_attribute_ensure_ex(Object *ob,
   if (attr) {
     sculpt_attr_update(ob, attr);
 
+    /* Since "stroke_only" is not a CustomData flag we have
+     * to sync its parameter setting manually. Fixes #104618.
+     */
+    attr->params.stroke_only = params->stroke_only;
+
     return attr;
   }