diff --git a/build/NuSpecs/tools/Web.config.install.xdt b/build/NuSpecs/tools/Web.config.install.xdt
index 2b79f95c70..eb6467912a 100644
--- a/build/NuSpecs/tools/Web.config.install.xdt
+++ b/build/NuSpecs/tools/Web.config.install.xdt
@@ -84,9 +84,9 @@
       <remove fileExtension=".svg" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
       <mimeMap fileExtension=".svg" mimeType="image/svg+xml" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
       <remove fileExtension=".woff" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
-      <mimeMap fileExtension=".woff" mimeType="application/x-font-woff" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
+      <mimeMap fileExtension=".woff" mimeType="font/woff" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
       <remove fileExtension=".woff2" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
-      <mimeMap fileExtension=".woff2" mimeType="application/x-font-woff2" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
+      <mimeMap fileExtension=".woff2" mimeType="font/woff2" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
       <remove fileExtension=".less" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
       <mimeMap fileExtension=".less" mimeType="text/css" xdt:Locator="Match(fileExtension)" xdt:Transform="InsertIfMissing" />
     </staticContent>
diff --git a/src/Umbraco.Web.UI/web.Template.config b/src/Umbraco.Web.UI/web.Template.config
index b85c892e70..023f792587 100644
--- a/src/Umbraco.Web.UI/web.Template.config
+++ b/src/Umbraco.Web.UI/web.Template.config
@@ -175,9 +175,9 @@
             <remove fileExtension=".svg" />
             <mimeMap fileExtension=".svg" mimeType="image/svg+xml" />
             <remove fileExtension=".woff" />
-            <mimeMap fileExtension=".woff" mimeType="application/x-font-woff" />
+            <mimeMap fileExtension=".woff" mimeType="font/woff" />
             <remove fileExtension=".woff2" />
-            <mimeMap fileExtension=".woff2" mimeType="application/x-font-woff2" />
+            <mimeMap fileExtension=".woff2" mimeType="font/woff2" />
             <remove fileExtension=".less" />
             <mimeMap fileExtension=".less" mimeType="text/css" />
             <remove fileExtension=".mp4" />