diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for yesod-form
 
+## 1.6.5
+
+* Add `.sr-only` to labels in `renderBootstrap3` when they are null.
+
 ## 1.6.4
 
 * Make FormResult an instance of Eq
diff --git a/Yesod/Form/Bootstrap3.hs b/Yesod/Form/Bootstrap3.hs
--- a/Yesod/Form/Bootstrap3.hs
+++ b/Yesod/Form/Bootstrap3.hs
@@ -32,6 +32,7 @@
 import Control.Monad (liftM)
 import Data.Text (Text)
 import Data.String (IsString(..))
+import qualified Text.Blaze.Internal as Blaze
 import Yesod.Core
 import Yesod.Form.Types
 import Yesod.Form.Functions
@@ -154,7 +155,7 @@
                 $case formLayout
                   $of BootstrapBasicForm
                     $if fvId view /= bootstrapSubmitId
-                      <label for=#{fvId view}>#{fvLabel view}
+                      <label :Blaze.null (fvLabel view):.sr-only for=#{fvId view}>#{fvLabel view}
                     ^{fvInput view}
                     ^{helpWidget view}
                   $of BootstrapInlineForm
@@ -164,7 +165,7 @@
                     ^{helpWidget view}
                   $of BootstrapHorizontalForm labelOffset labelSize inputOffset inputSize
                     $if fvId view /= bootstrapSubmitId
-                      <label .control-label .#{toOffset labelOffset} .#{toColumn labelSize} for=#{fvId view}>#{fvLabel view}
+                      <label :Blaze.null (fvLabel view):.sr-only .control-label .#{toOffset labelOffset} .#{toColumn labelSize} for=#{fvId view}>#{fvLabel view}
                       <div .#{toOffset inputOffset} .#{toColumn inputSize}>
                         ^{fvInput view}
                         ^{helpWidget view}
diff --git a/yesod-form.cabal b/yesod-form.cabal
--- a/yesod-form.cabal
+++ b/yesod-form.cabal
@@ -1,5 +1,5 @@
 name:            yesod-form
-version:         1.6.4
+version:         1.6.5
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>