diff --git a/lib/project_config/project_config.ts b/lib/project_config/project_config.ts
index 92b9c1ac5..5a7674668 100644
--- a/lib/project_config/project_config.ts
+++ b/lib/project_config/project_config.ts
@@ -63,7 +63,7 @@ interface TryCreatingProjectConfigConfig {
 interface Event {
   key: string;
   id: string;
-  experimentsIds: string[];
+  experimentIds: string[];
 }
 
 interface VariableUsageMap {
diff --git a/lib/shared_types.ts b/lib/shared_types.ts
index 2ca797f27..ea15b21e3 100644
--- a/lib/shared_types.ts
+++ b/lib/shared_types.ts
@@ -402,7 +402,7 @@ export type OptimizelyAudience = {
 export type OptimizelyEvent = {
   id: string;
   key: string;
-  experimentsIds: string[];
+  experimentIds: string[];
 };
 
 export interface OptimizelyFeature {