diff --git a/src/core/render/compiler/image.js b/src/core/render/compiler/image.js
index 3cc48c360..982e5e55e 100644
--- a/src/core/render/compiler/image.js
+++ b/src/core/render/compiler/image.js
@@ -22,7 +22,7 @@ export const imageCompiler = ({ renderer, contentBase, router }) =>
       if (height) {
         attrs.push(`width="${width}" height="${height}"`);
       } else {
-        attrs.push(`width="${width}" height="${width}"`);
+        attrs.push(`width="${width}"`);
       }
     }
 
diff --git a/test/unit/render.test.js b/test/unit/render.test.js
index 67d3bcf09..9a7163024 100644
--- a/test/unit/render.test.js
+++ b/test/unit/render.test.js
@@ -168,7 +168,7 @@ text
 
         expectSameDom(
           output,
-          '<p><img src="http://imageUrl" data-origin="http://imageUrl" alt="alt text" width="50" height="50" /></p>'
+          '<p><img src="http://imageUrl" data-origin="http://imageUrl" alt="alt text" width="50" /></p>'
         );
       });
     });