diff --git a/core/themes/seven/seven.base.css b/core/themes/seven/seven.base.css
index 844712dad19701258842a953b4ee6f234c58c436..fcef096c91e6b8635b60e6f1134f7c9be054ee7d 100644
--- a/core/themes/seven/seven.base.css
+++ b/core/themes/seven/seven.base.css
@@ -4,7 +4,7 @@
 body {
   color: #000;
   background: #fff;
-  font: normal 81.3%/1.538em "Lucida Grande", "Lucida Sans Unicode", sans-serif;
+  font: normal 81.3%/1.538em "Lucida Grande", "Lucida Sans Unicode", "DejaVu Sans", "Lucida Sans", sans-serif;
 }
 a,
 .link {
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index eae4ac897471595d24598b27fded7d55265fc1f8..5c1f40ef6a7324ae96376a5e18d390b789fa0ed7 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -979,7 +979,7 @@ div.admin-options {
 }
 div.admin-options label {
   text-transform: uppercase;
-  font: 0.846em/1.875em Lucida Grande, Lucida Sans Unicode, sans-serif;
+  font: 0.846em/1.875em "Lucida Grande", "Lucida Sans Unicode", "DejaVu Sans", "Lucida Sans", sans-serif;
 }
 div.admin-options label,
 div.admin-options div.form-item {