diff --git a/packages/react-devtools-shared/src/devtools/views/Tooltip.css b/packages/react-devtools-shared/src/devtools/views/Tooltip.css
index e8724b385556..e06518219d70 100644
--- a/packages/react-devtools-shared/src/devtools/views/Tooltip.css
+++ b/packages/react-devtools-shared/src/devtools/views/Tooltip.css
@@ -2,6 +2,7 @@
   border: none;
   border-radius: 0.25rem;
   padding: 0.25rem 0.5rem;
+  font-family: var(--font-family-sans);
   font-size: 12px;
   background-color: var(--color-tooltip-background);
   color: var(--color-tooltip-text);