diff --git a/src/diagrams/sequence/sequenceRenderer.js b/src/diagrams/sequence/sequenceRenderer.js
index f7f8a270b9..83ec1b9986 100644
--- a/src/diagrams/sequence/sequenceRenderer.js
+++ b/src/diagrams/sequence/sequenceRenderer.js
@@ -266,10 +266,10 @@ const drawMessage = function (elem, startx, stopx, verticalPos, msg, sequenceInd
   if (conf.showSequenceNumbers) {
     line.attr('marker-start', 'url(' + url + '#sequencenumber)')
     g.append('text')
-      .attr('x', startx - 1)
-      .attr('y', verticalPos + 5)
+      .attr('x', startx)
+      .attr('y', verticalPos + 4)
       .attr('font-family', 'sans-serif')
-      .attr('font-size', '16px')
+      .attr('font-size', '12px')
       .attr('text-anchor', 'middle')
       .attr('textLength', '16px')
       .attr('class', 'sequenceNumber')
diff --git a/src/diagrams/sequence/svgDraw.js b/src/diagrams/sequence/svgDraw.js
index 9bcad1091b..b1227d8e85 100644
--- a/src/diagrams/sequence/svgDraw.js
+++ b/src/diagrams/sequence/svgDraw.js
@@ -195,7 +195,7 @@ export const insertSequenceNumber = function (elem) {
     .append('circle')
     .attr('cx', 15)
     .attr('cy', 15)
-    .attr('r', 7)
+    .attr('r', 6)
     // .style("fill", '#f00');
 }
 /**