diff --git a/src/ui/control/attribution_control.js b/src/ui/control/attribution_control.js
index ffa989d0b0f..a75a549a35d 100644
--- a/src/ui/control/attribution_control.js
+++ b/src/ui/control/attribution_control.js
@@ -146,18 +146,6 @@ class AttributionControl {
     _updateAttributions() {
         if (!this._map.style) return;
         let attributions: Array<string> = [];
-        if (this.options.customAttribution) {
-            if (Array.isArray(this.options.customAttribution)) {
-                attributions = attributions.concat(
-                    this.options.customAttribution.map(attribution => {
-                        if (typeof attribution !== 'string') return '';
-                        return attribution;
-                    })
-                );
-            } else if (typeof this.options.customAttribution === 'string') {
-                attributions.push(this.options.customAttribution);
-            }
-        }
 
         if (this._map.style.stylesheet) {
             const stylesheet: any = this._map.style.stylesheet;
@@ -186,6 +174,14 @@ class AttributionControl {
             return true;
         });
 
+        if (this.options.customAttribution) {
+            if (Array.isArray(this.options.customAttribution)) {
+                attributions = [...this.options.customAttribution, ...attributions];
+            } else {
+                attributions.unshift(this.options.customAttribution);
+            }
+        }
+
         // check if attribution string is different to minimize DOM changes
         const attribHTML = attributions.join(' | ');
         if (attribHTML === this._attribHTML) return;
diff --git a/test/unit/ui/control/attribution.test.js b/test/unit/ui/control/attribution.test.js
index 4aa9d0364cf..474948ac6af 100644
--- a/test/unit/ui/control/attribution.test.js
+++ b/test/unit/ui/control/attribution.test.js
@@ -237,7 +237,7 @@ test('AttributionControl shows all custom attributions if customAttribution arra
 
     t.equal(
         attributionControl._innerContainer.innerHTML,
-        'Custom string | Another custom string | Some very long custom string'
+        'Some very long custom string | Custom string | Another custom string'
     );
     t.end();
 });