diff --git a/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css b/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
index 318ddeef63..e29356b33a 100644
--- a/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
+++ b/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
@@ -255,7 +255,7 @@ input[type="search"]::-webkit-search-decoration {
 textarea {
 	overflow: auto;
 	vertical-align: top;
-	font-family: var(--font-mono);
+	font-family: monospace;
 }
 
 .control-group {
@@ -2020,7 +2020,7 @@ form.inline { display: inline; margin-bottom: 0; }
 	width: 100%;
 	color: var(--text-color-highest);
 	margin-bottom: 18px;
-	font-family: var(--font-mono);
+	font-family: monospace;
 }
 
 .cbi-section-table .tr:hover .td,
@@ -2394,7 +2394,7 @@ div.cbi-value var.cbi-tooltip-container,
 .uci-dialog ins,
 .uci-dialog var {
 	text-decoration: none;
-	font-family: var(--font-mono);
+	font-family: monospace;
 	font-style: normal;
 	color: var(--text-color-high);
 	display: block;