diff --git a/project/GenResources.scala b/project/GenResources.scala
index ca8527196a..46206bd298 100644
--- a/project/GenResources.scala
+++ b/project/GenResources.scala
@@ -238,7 +238,7 @@ trait GenResourcesJSVM extends GenResources {
         |
         |private[$packageName] object FailureMessages {
         |
-        |def decorateToStringValue(prettifier: org.scalactic.Prettifier, o: Any): String = org.scalactic.Prettifier.default(o)
+        |def decorateToStringValue(prettifier: org.scalactic.Prettifier, o: Any): String = prettifier.apply(o)
         |
         |$methods
         |