diff --git a/devtools/client/themes/webconsole.css b/devtools/client/themes/webconsole.css
index da84c6bcc365..987ebed570fe 100644
--- a/devtools/client/themes/webconsole.css
+++ b/devtools/client/themes/webconsole.css
@@ -446,7 +446,7 @@ textarea.jsterm-complete-node {
   margin: 0;
   background-color: transparent;
   resize: none;
-  font-size: var(--theme-toolbar-font-size);
+  font-size: inherit;
   line-height: 16px;
   overflow-x: hidden;
   /* Set padding for console input on textarea to make sure it is included in