diff --git a/aws/resource_aws_cloudfront_distribution.go b/aws/resource_aws_cloudfront_distribution.go
index b68c39efa262..508ac127cd3f 100644
--- a/aws/resource_aws_cloudfront_distribution.go
+++ b/aws/resource_aws_cloudfront_distribution.go
@@ -841,7 +841,7 @@ func resourceAwsCloudFrontDistributionRead(d *schema.ResourceData, meta interfac
 	}
 	// Update other attributes outside of DistributionConfig
 
-	if d.Set("active_trusted_signers", flattenCloudfrontActiveTrustedSigners(resp.Distribution.ActiveTrustedSigners)); err != nil {
+	if err := d.Set("active_trusted_signers", flattenCloudfrontActiveTrustedSigners(resp.Distribution.ActiveTrustedSigners)); err != nil {
 		return fmt.Errorf("error setting active_trusted_signers: %s", err)
 	}