diff --git a/app.R b/app.R
index 6c8e559..23d3a3b 100644
--- a/app.R
+++ b/app.R
@@ -173,7 +173,7 @@ server <- function(input, output, session)
     data_age() %>%
       ggplot() +
       aes(x = Age, fill = Sexe) +
-      geom_histogram() +
+      geom_histogram(binwidth = 5) +
       scale_fill_manual(values = c("Homme" = "lightblue", "Femme" = "pink")) +
       scale_x_continuous(limits = c(min_age, max_age)) +
       theme(axis.title = element_blank(),