diff --git a/data/outport/common_test.go b/data/outport/common_test.go
index 0fe18b65..555657ca 100644
--- a/data/outport/common_test.go
+++ b/data/outport/common_test.go
@@ -55,7 +55,7 @@ func TestGetBody(t *testing.T) {
 	require.Nil(t, receivedBody)
 	require.Equal(t, errNilBodyHandler, err)
 
-	body := &block.Body{}
+	var body data.BodyHandler = &block.Body{}
 	receivedBody, err = GetBody(body)
 	require.Nil(t, err)
 	require.Equal(t, body, receivedBody)