diff --git a/res/css/views/rooms/_SendMessageComposer.scss b/res/css/views/rooms/_SendMessageComposer.scss
index 7bb20a443b..bdc96489d4 100644
--- a/res/css/views/rooms/_SendMessageComposer.scss
+++ b/res/css/views/rooms/_SendMessageComposer.scss
@@ -20,6 +20,7 @@ limitations under the License.
     display: flex;
     flex-direction: column;
     justify-content: center;
+    font-size: 14px;
 
     .mx_BasicMessageComposer {
         .mx_BasicMessageComposer_input {