diff --git a/R/sits_plot.R b/R/sits_plot.R
index f385f914b..8fc9d50ec 100644
--- a/R/sits_plot.R
+++ b/R/sits_plot.R
@@ -413,8 +413,8 @@ plot.patterns <- function(x, y, ..., bands = NULL, year_grid = FALSE) {
 
     if(year_grid)
         plot.df <- plot.df %>%
-            dplyr::mutate(year = format(Time, format="%Y")) %>%
-            dplyr::mutate(Time = as.Date(format(Time, format="2000-%m-%d")))
+            dplyr::mutate(year = format(.data[["Time"]], format = "%Y")) %>%
+            dplyr::mutate(Time = as.Date(format(.data[["Time"]], format = "2000-%m-%d")))
 
     # Plot temporal patterns
     gp <- ggplot2::ggplot(plot.df, ggplot2::aes(
diff --git a/man/plot.patterns.Rd b/man/plot.patterns.Rd
index c3523aaa1..23889de1c 100644
--- a/man/plot.patterns.Rd
+++ b/man/plot.patterns.Rd
@@ -4,7 +4,7 @@
 \alias{plot.patterns}
 \title{Plot patterns that describe classes}
 \usage{
-\method{plot}{patterns}(x, y, ..., bands = NULL)
+\method{plot}{patterns}(x, y, ..., bands = NULL, year_grid = FALSE)
 }
 \arguments{
 \item{x}{Object of class "patterns".}
@@ -14,6 +14,9 @@
 \item{...}{Further specifications for \link{plot}.}
 
 \item{bands}{Bands to be viewed (optional).}
+
+\item{year_grid}{Plot a grid of panels using labels as columns and
+years as rows. Default is FALSE.}
 }
 \value{
 A plot object produced by ggplot2