diff --git a/metadata/metadata_test.go b/metadata/metadata_test.go
index a0932d39..84738f81 100644
--- a/metadata/metadata_test.go
+++ b/metadata/metadata_test.go
@@ -83,7 +83,6 @@ func TestPassing(t *testing.T) {
 	if ok {
 		t.Fatalf("create outgoing context")
 	}
-	_ = md
 
 	ctx = NewOutgoingContext(ctx, New(1))
 	testCtx(ctx)
diff --git a/util/structfs/metadata_ec2.go b/util/structfs/metadata_ec2.go
index 7d58156c..5bf9605e 100644
--- a/util/structfs/metadata_ec2.go
+++ b/util/structfs/metadata_ec2.go
@@ -23,7 +23,7 @@ type EC2Metadata struct {
 			ReservationID      int      `json:"reservation-id"`
 			AMIID              int      `json:"ami-id"`
 			AMILaunchIndex     int      `json:"ami-launch-index"`
-			kernelID           int      `json:"kernel-id"`
+			KernelID           int      `json:"kernel-id"`
 			InstanceID         int      `json:"instance-id"`
 		} `json:"meta-data"`
 	} `json:"latest"`