diff --git a/src/defaultStyleCompiler.ts b/src/defaultStyleCompiler.ts
index a7ad8f0..ba3f8c2 100644
--- a/src/defaultStyleCompiler.ts
+++ b/src/defaultStyleCompiler.ts
@@ -579,7 +579,7 @@ export class DefaultStyleCompiler implements StyleCompiler {
         }
 
         if (widgetHandlerClass) {
-            this.backfillLocalStyles(widgetHandlerClass, localStyles);
+            await this.backfillLocalStyles(widgetHandlerClass, localStyles);
         }
 
         localStyles = Objects.clone(localStyles); // To drop any object references
@@ -715,7 +715,7 @@ export class DefaultStyleCompiler implements StyleCompiler {
         return css;
     }
 
-    public backfillLocalStyles(handlerClass: any, localStyles: LocalStyles): void {
-        this.styleService.backfillLocalStyles(handlerClass, localStyles);
+    public async backfillLocalStyles(handlerClass: any, localStyles: LocalStyles): Promise<void> {
+        await this.styleService.backfillLocalStyles(handlerClass, localStyles);
     }
 }
\ No newline at end of file
diff --git a/src/styleService.ts b/src/styleService.ts
index bc95b33..1c79fbe 100644
--- a/src/styleService.ts
+++ b/src/styleService.ts
@@ -462,7 +462,12 @@ export class StyleService {
             });
         });
 
-        this.updateStyles(styles);
+        await new Promise<void>((resolve) => {
+            setTimeout(async () => {
+                await this.mergeStyles(styles);
+                resolve();
+            }, 0);
+        });
     }
 
     public async backfillStyles(): Promise<void> {