diff --git a/R-package/R/lgb.train.R b/R-package/R/lgb.train.R
index e825c05f33e7..aab6fd5229f9 100644
--- a/R-package/R/lgb.train.R
+++ b/R-package/R/lgb.train.R
@@ -205,8 +205,8 @@ lgb.train <- function(params = list(),
   }
 
   using_early_stopping <- !is.null(early_stopping_rounds)
-  if (using_early_stopping && identical(params$boosting, "dart")){
-    warning("Early stopping is not available in 'dart' mode")
+  if (identical(params$boosting, "dart")){
+    warning("Early stopping is not available in 'dart' mode.")
     use_early_stopping <- FALSE
   }