diff --git a/packages/gallery/src/services/style.js b/packages/gallery/src/services/style.js
index 7bd5f24..2335aff 100644
--- a/packages/gallery/src/services/style.js
+++ b/packages/gallery/src/services/style.js
@@ -1,6 +1,7 @@
 import Styletron from 'styletron';
 import { injectStyle as _injectStyle } from 'styletron-utils';
 import { defineElement } from 'domvm';
+import { isObject } from '../utils/comparators.js';
 
 const styletronSingleton = new Styletron();
 
@@ -8,10 +9,6 @@ export function injectStyle(...styles) {
 	return _injectStyle(styletronSingleton, Object.assign({}, ...styles));
 }
 
-function isObject(obj) {
-	return typeof obj === 'object' && !Array.isArray(obj);
-}
-
 export function el(sig, ...attrsOrChildren) {
 	let attrs = {};
 	let children = attrsOrChildren;
diff --git a/packages/gallery/src/utils/comparators.js b/packages/gallery/src/utils/comparators.js
index 36e73ac..578ab01 100644
--- a/packages/gallery/src/utils/comparators.js
+++ b/packages/gallery/src/utils/comparators.js
@@ -10,3 +10,7 @@ export function pouchDocArrayComparator(a, b) {
 
 	return equals(new Set(...aIDs), new Set(...bIDs));
 }
+
+export function isObject(obj) {
+	return typeof obj === 'object' && !Array.isArray(obj);
+}