diff --git a/src/main/java/org/asciidoc/intellij/editor/browser/BrowserPanel.java b/src/main/java/org/asciidoc/intellij/editor/browser/BrowserPanel.java
index cad92ee50..78970d3e3 100644
--- a/src/main/java/org/asciidoc/intellij/editor/browser/BrowserPanel.java
+++ b/src/main/java/org/asciidoc/intellij/editor/browser/BrowserPanel.java
@@ -134,7 +134,7 @@ public BrowserPanel() {
       myGoogleFontsCssLink = "<link rel=\"stylesheet\" data-default href=\"" + PreviewStaticServer.getStyleUrl("googlefonts/googlefonts.css") + "\">";
       myDroidSansMonoCssLink = "<link rel=\"stylesheet\" data-default href=\"" + PreviewStaticServer.getStyleUrl("googlefonts/droidsansmono.css") + "\">";
       myMermaidScript = "<script src=\"" + PreviewStaticServer.getScriptUrl("mermaid/mermaid.min.js") + "\"></script>" +
-        "<script>mermaid.init(); window.mermaid = mermaid; </script>";
+        "<script>mermaid.initialize(); window.mermaid = mermaid; </script>";
     } catch (IOException e) {
       String message = "Unable to combine CSS resources: " + e.getMessage();
       log.error(message, e);
diff --git a/src/main/java/org/asciidoc/intellij/editor/jcef/AsciiDocJCEFHtmlPanel.java b/src/main/java/org/asciidoc/intellij/editor/jcef/AsciiDocJCEFHtmlPanel.java
index 13fd1605c..3fd7859c9 100644
--- a/src/main/java/org/asciidoc/intellij/editor/jcef/AsciiDocJCEFHtmlPanel.java
+++ b/src/main/java/org/asciidoc/intellij/editor/jcef/AsciiDocJCEFHtmlPanel.java
@@ -250,7 +250,7 @@ public void onLoadEnd(CefBrowser browser, CefFrame frame, int httpStatusCode) {
       myDejavuCssLink = "<link rel=\"stylesheet\" data-default href=\"" + PreviewStaticServer.getStyleUrl("dejavu/dejavu.css") + "\">";
       myGoogleFontsCssLink = "<link rel=\"stylesheet\" data-default href=\"" + PreviewStaticServer.getStyleUrl("googlefonts/googlefonts.css") + "\">";
       myMermaidScript = "<script src=\"" + PreviewStaticServer.getScriptUrl("mermaid/mermaid.min.js") + "\"></script>" +
-        "<script>mermaid.init(); window.mermaid = mermaid; </script>";
+        "<script>mermaid.initialize(); window.mermaid = mermaid; </script>";
     } catch (IOException e) {
       String message = "Unable to combine CSS resources: " + e.getMessage();
       LOG.error(message, e);
@@ -608,7 +608,7 @@ public synchronized void setHtml(@NotNull String htmlParam, @NotNull Map<String,
         replaceResult = false;
         getCefBrowser().executeJavaScript(
             "function finish() {" +
-            "if (window.mermaid !== undefined) window.mermaid.init(); " +
+            "if (window.mermaid !== undefined) window.mermaid.run(); " +
             "if ('__IntelliJTools' in window) {" +
             "__IntelliJTools.processLinks && __IntelliJTools.processLinks();" +
             "__IntelliJTools.processImages && __IntelliJTools.processImages();" +