diff --git a/util/util_test.go b/util/util_test.go
index 3c960b61..d20997d1 100644
--- a/util/util_test.go
+++ b/util/util_test.go
@@ -12,7 +12,7 @@ import (
 
 func TestPrintableUTF8OrEmpty(t *testing.T) {
 	encodeArg := func(str string) string {
-		return base64.StdEncoding.EncodeToString([]byte("input"))
+		return base64.StdEncoding.EncodeToString([]byte(str))
 	}
 	tests := []struct {
 		name   string
@@ -29,6 +29,11 @@ func TestPrintableUTF8OrEmpty(t *testing.T) {
 			"8J+qmSBNb25leSwgd2FudAo=",
 			"",
 		},
+		{
+			"Emoji",
+			encodeArg("🫙"),
+			"🫙",
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {