diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index b7e026dbb767e53b90d97fe992182341160703c1..487d7eb2fc6d617b931a51dcbcf993e6df09c25b 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -1711,6 +1711,7 @@ input[type="color"].input-small {
 .input-group-addon,
 .input-group-btn {
   width: 1%;
+  white-space: nowrap;
   vertical-align: middle;
 }
 
diff --git a/less/forms.less b/less/forms.less
index 609580928f2ff310131e600e0a17b7b62344dc47..91248761003ef8574a5ac68a336f91620d4e4530 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -321,6 +321,7 @@ input[type="color"] {
 .input-group-addon,
 .input-group-btn {
   width: 1%;
+  white-space: nowrap;
   vertical-align: middle; // Match the inputs
 }