diff --git a/R/coord_radar.R b/R/coord_radar.R
index ad0fd9730..3f73e215a 100644
--- a/R/coord_radar.R
+++ b/R/coord_radar.R
@@ -6,10 +6,12 @@
 #' @param ... Other arguments to be passed to `ggproto`.
 #'
 #' @examples
+#' library(ggplot2)
+#'
 #' # Create a radar/spider chart with ggplot:
 #' data(iris)
 #' data <- aggregate(iris[-5], list(Species = iris$Species), mean)
-#' data <- data_to_long(
+#' data <- datawizard::data_to_long(
 #'   data,
 #'   c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width")
 #' )
diff --git a/man/coord_radar.Rd b/man/coord_radar.Rd
index 64052975b..51569bd95 100644
--- a/man/coord_radar.Rd
+++ b/man/coord_radar.Rd
@@ -20,10 +20,12 @@ is applied clockwise or anticlockwise depending on value of \code{direction}.}
 Add a radar coordinate system useful for radar charts.
 }
 \examples{
+library(ggplot2)
+
 # Create a radar/spider chart with ggplot:
 data(iris)
 data <- aggregate(iris[-5], list(Species = iris$Species), mean)
-data <- data_to_long(
+data <- datawizard::data_to_long(
   data,
   c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width")
 )