diff --git a/src/providers/cloudinary/runtime.ts b/src/providers/cloudinary/runtime.ts
index f32f4498e..17ce902ef 100644
--- a/src/providers/cloudinary/runtime.ts
+++ b/src/providers/cloudinary/runtime.ts
@@ -35,9 +35,8 @@ const defaultModifiers = {
 export default <RuntimeProvider> {
   getImage (src: string, modifiers: ImageModifiers, options: any) {
     const mergeModifiers = {
-      ...modifiers,
-      format: modifiers.format || defaultModifiers.format,
-      quality: modifiers.quality || defaultModifiers.quality
+      ...defaultModifiers,
+      ...modifiers
     }
 
     const srcWithoutExtension = src.replace(/\.[^/.]+$/, '')
diff --git a/src/runtime/image.ts b/src/runtime/image.ts
index faa9e5dfe..3aa970150 100644
--- a/src/runtime/image.ts
+++ b/src/runtime/image.ts
@@ -184,8 +184,8 @@ export function createImage (context, { providers, defaultProvider, presets, int
       }
       const { url } = image(src, {
         ...operations,
-        width: size.width,
-        format: size.format
+        width: size.width || null,
+        format: size.format || null
       })
       size.url = url
       return size