diff --git a/builtin/providers/aws/resource_aws_api_gateway_integration.go b/builtin/providers/aws/resource_aws_api_gateway_integration.go
index d82d78e6d..2cb0c9818 100644
--- a/builtin/providers/aws/resource_aws_api_gateway_integration.go
+++ b/builtin/providers/aws/resource_aws_api_gateway_integration.go
@@ -83,6 +83,7 @@ func resourceAwsApiGatewayIntegration() *schema.Resource {
 			"passthrough_behavior": &schema.Schema{
 				Type:         schema.TypeString,
 				Optional:     true,
+				Computed:     true,
 				ValidateFunc: validateApiGatewayIntegrationPassthroughBehavior,
 			},
 		},