diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffc1f354..69fdf700 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,9 @@
   - Custom flag selection is now saved like name and post password.
   - Bugfixes.
 
+### 0.3.4
+  - Minor bugfix, saving board settings with empty custom CSS was incorrectly returning an error if there were global filters for css.
+
 ### 0.3.3
   - Minor bugfix to filenames of expanded images being incorrectly truncated in some circumstances, when "image loading bars" is enabled.
 
diff --git a/helpers/schema.js b/helpers/schema.js
index 58324a15..b49bb809 100644
--- a/helpers/schema.js
+++ b/helpers/schema.js
@@ -49,12 +49,12 @@ module.exports = {
 
 	//check if value is included in a set or array, usually for blacklist or whitelist
 	inArrayBody: (data, list) => {
-		return data && list[list.constructor.name === 'Array' ? 'includes' : 'has'](data);
+		return data !== null && list[list.constructor.name === 'Array' ? 'includes' : 'has'](data);
 	},
 
 	//the opposite kinda, check if the data includes any of the values in the array
 	arrayInBody: (filters, data) => {
-		return data && filters.some(filter => data.includes(filter));
+		return data !== null && filters.some(filter => data.includes(filter));
 	},
 
 	//check the actual schema