diff --git a/apps/OpenSign/src/components/pdf/Placeholder.js b/apps/OpenSign/src/components/pdf/Placeholder.js
index 0b1969e47..24edc793c 100644
--- a/apps/OpenSign/src/components/pdf/Placeholder.js
+++ b/apps/OpenSign/src/components/pdf/Placeholder.js
@@ -661,7 +661,7 @@ function Placeholder(props) {
     const fontSize = (size || 12) * containerScale * props.scale;
     //isMinHeight to set text box minimum height
     if (isMinHeight) {
-      return fontSize * 1.5;
+      return fontSize * 1.5 + "px";
     } else {
       return fontSize + "px";
     }