diff --git a/src/Orchard/WebApi/Filters/OrchardApiActionFilterDispatcher.cs b/src/Orchard/WebApi/Filters/OrchardApiActionFilterDispatcher.cs
index a317eb9db..d36d84199 100644
--- a/src/Orchard/WebApi/Filters/OrchardApiActionFilterDispatcher.cs
+++ b/src/Orchard/WebApi/Filters/OrchardApiActionFilterDispatcher.cs
@@ -14,7 +14,10 @@ namespace Orchard.WebApi.Filters {
             var workContext = actionContext.ControllerContext.GetWorkContext();
 
             foreach (var actionFilter in workContext.Resolve<IEnumerable<IApiFilterProvider>>().OfType<IActionFilter>()) {
-                continuation = () => actionFilter.ExecuteActionFilterAsync(actionContext, cancellationToken, continuation);
+                var tempContinuation = continuation;
+                continuation = () => {
+                    return actionFilter.ExecuteActionFilterAsync(actionContext, cancellationToken, tempContinuation);
+                };
             }
 
             return await continuation();
diff --git a/src/Orchard/WebApi/Filters/OrchardApiAuthorizationFilterDispatcher.cs b/src/Orchard/WebApi/Filters/OrchardApiAuthorizationFilterDispatcher.cs
index 1e3970218..7479b6403 100644
--- a/src/Orchard/WebApi/Filters/OrchardApiAuthorizationFilterDispatcher.cs
+++ b/src/Orchard/WebApi/Filters/OrchardApiAuthorizationFilterDispatcher.cs
@@ -14,7 +14,10 @@ namespace Orchard.WebApi.Filters {
             var workContext = actionContext.ControllerContext.GetWorkContext();
 
             foreach (var actionFilter in workContext.Resolve<IEnumerable<IApiFilterProvider>>().OfType<IAuthorizationFilter>()) {
-                continuation = () => actionFilter.ExecuteAuthorizationFilterAsync(actionContext, cancellationToken, continuation);
+                var tempContinuation = continuation;
+                continuation = () => {
+                    return actionFilter.ExecuteAuthorizationFilterAsync(actionContext, cancellationToken, tempContinuation);
+                };
             }
 
             return await continuation();