diff --git a/select2.js b/select2.js
index 13200350..80c43a9d 100644
--- a/select2.js
+++ b/select2.js
@@ -2618,7 +2618,7 @@ the specific language governing permissions and limitations under the Apache Lic
               searchWidth = minimumWidth;
             }
 
-            this.search.width(searchWidth);
+            this.search.width(Math.floor(searchWidth));
         },
 
         // multi