diff --git a/package-lock.json b/package-lock.json
index dfd7d1ae0da..84506c7ce6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15961,7 +15961,7 @@
     },
     "src/style-spec": {
       "name": "@mapbox/mapbox-gl-style-spec",
-      "version": "14.9.0",
+      "version": "14.9.1",
       "license": "SEE LICENSE IN LICENSE.txt",
       "dependencies": {
         "@mapbox/jsonlint-lines-primitives": "~2.0.2",
diff --git a/src/style-spec/expression/definitions/image.ts b/src/style-spec/expression/definitions/image.ts
index ed01bef0bd0..fe51cac0f34 100644
--- a/src/style-spec/expression/definitions/image.ts
+++ b/src/style-spec/expression/definitions/image.ts
@@ -1,6 +1,5 @@
 import {ColorType, ResolvedImageType, StringType} from '../types';
 import ResolvedImage from '../types/resolved_image';
-import {isExpression} from '..';
 
 import type Color from '../../util/color';
 import type {Expression, SerializedExpression} from '../expression';
@@ -15,7 +14,7 @@ export type ImageOptions = {
 }
 
 function isImageOptions(value: unknown) {
-    if (typeof value !== 'string' && !isExpression(value)) {
+    if (value !== null && typeof value === 'object') {
         return true;
     }
 
diff --git a/src/style-spec/package.json b/src/style-spec/package.json
index 1bf7f679c8b..492fde4d927 100644
--- a/src/style-spec/package.json
+++ b/src/style-spec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mapbox/mapbox-gl-style-spec",
-  "version": "14.9.0",
+  "version": "14.9.1",
   "description": "a specification for mapbox gl styles",
   "author": "Mapbox",
   "license": "SEE LICENSE IN LICENSE.txt",