diff --git a/src/agenda_culturel/static/style.scss b/src/agenda_culturel/static/style.scss
index daa51e0..793c35b 100644
--- a/src/agenda_culturel/static/style.scss
+++ b/src/agenda_culturel/static/style.scss
@@ -349,7 +349,7 @@ footer [data-tooltip] {
 
 #calendar.week {
     .grid {
-        grid-template-columns: repeat(7, 85vw);
+        grid-template-columns: repeat(7, calc(100vw - 4 * var(--block-spacing-horizontal)));
         width: fit-content;
     }
 }