diff --git a/R/utilities.R b/R/utilities.R
index 5f0f801..2909b0e 100644
--- a/R/utilities.R
+++ b/R/utilities.R
@@ -323,7 +323,7 @@ setMethod("replaceZeros", "FLStock", function(object, fraction=0.25) {
 
 #' @rdname assorted-methods
 #' @param fraction \code{numeric} with fraction of minimum to replace zeros
-setMethod("replaceZeros", "FLIndex", function(object, fraction=0.25) {
+setMethod("replaceZeros", "FLI", function(object, fraction=0.25) {
 	index(object) <- replaceZeros(index(object), fraction)
 	object
 })