diff --git a/src/tools/annotation/RectangleRoiTool.js b/src/tools/annotation/RectangleRoiTool.js
index ecd45f3cb..822290433 100644
--- a/src/tools/annotation/RectangleRoiTool.js
+++ b/src/tools/annotation/RectangleRoiTool.js
@@ -514,7 +514,8 @@ function _createTextBoxContent(
       otherLines.push(`${meanString}${meanSuvString}`);
       otherLines.push(`${stdDevString}     ${stdDevSuvString}`);
     } else {
-      otherLines.push(`${meanString}     ${stdDevString}`);
+      otherLines.push(`${meanString}`);
+      otherLines.push(`${stdDevString}`);
     }
 
     if (showMinMax) {