diff --git a/static/js/app.js b/static/js/app.js
index 91b33fe..af2e7cf 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -1274,6 +1274,8 @@ function checkInputSize() {
 }
 
 function resizeInput(height) {
+  if (height < 100) height = 100;
+
   var diff = 50 + 12; // actions box + padding
 
   $("#input").height(height);