diff --git a/ts/routes/graphs/Tooltip.svelte b/ts/routes/graphs/Tooltip.svelte
index 12d12fb0f..d6b64df2c 100644
--- a/ts/routes/graphs/Tooltip.svelte
+++ b/ts/routes/graphs/Tooltip.svelte
@@ -47,6 +47,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         white-space: nowrap;
         padding: 15px;
         border-radius: 5px;
+        font-family: inherit;
         font-size: 15px;
         opacity: 0;
         pointer-events: none;