diff --git a/pkg/yqlib/operator_encoder_decoder_test.go b/pkg/yqlib/operator_encoder_decoder_test.go
index 381d56df73..a6eaee8943 100644
--- a/pkg/yqlib/operator_encoder_decoder_test.go
+++ b/pkg/yqlib/operator_encoder_decoder_test.go
@@ -318,6 +318,14 @@ var encoderDecoderOperatorScenarios = []expressionScenario{
 			"D0, P[], (!!str)::cats\n",
 		},
 	},
+	{
+		description: "base64 missing padding test",
+		skipDoc:     true,
+		expression:  `"cats" | @base64 | @base64d`,
+		expected: []string{
+			"D0, P[], (!!str)::cats\n",
+		},
+	},
 	{
 		requiresFormat: "xml",
 		description:    "empty xml decode",