diff --git a/types/easymde-test.ts b/types/easymde-test.ts
index 807adaa..cda8c1f 100644
--- a/types/easymde-test.ts
+++ b/types/easymde-test.ts
@@ -101,6 +101,7 @@ EasyMDE.toggleSideBySide(editor2);
 
 const editorImages = new EasyMDE({
     uploadImage: true,
+    previewImagesInEditor: false,
     imageAccept: 'image/png, image/bmp',
     imageCSRFToken: undefined,
     imageMaxSize: 10485760,
diff --git a/types/easymde.d.ts b/types/easymde.d.ts
index 570c609..d8ba0be 100644
--- a/types/easymde.d.ts
+++ b/types/easymde.d.ts
@@ -162,7 +162,7 @@ declare namespace EasyMDE {
     interface OverlayModeOptions {
       mode: CodeMirror.Mode<any>
       combine?: boolean
-    }    
+    }
 
     interface Options {
         autoDownloadFontAwesome?: boolean;
@@ -181,6 +181,7 @@ declare namespace EasyMDE {
         parsingConfig?: ParsingOptions;
         placeholder?: string;
         previewClass?: string | ReadonlyArray<string>;
+        previewImagesInEditor?: boolean;
         previewRender?: (markdownPlaintext: string, previewElement: HTMLElement) => string;
         promptURLs?: boolean;
         renderingConfig?: RenderingOptions;