go/cmd/textdump-tester/main.go | 6 ++++--

diff --git a/go/cmd/textdump-tester/main.go b/go/cmd/textdump-tester/main.go
index 190b898dfd3510d44350553a17d8f31255b146c85b02542ea8f3bda2dda71482..b374b310c21ea6dfb5c7bc0262860136b16da07d8731dcb9877c84648c03dff0 100644
--- a/go/cmd/textdump-tester/main.go
+++ b/go/cmd/textdump-tester/main.go
@@ -138,7 +138,8 @@ 		if len(fields) > 1 {
 			their = mustDecodeHex(fields[1])
 		}
 		if !bytes.Equal(our, their) {
-			log.Fatalln("BIN differs:", our, their)
+			log.Fatalln("BIN differs:",
+				hex.EncodeToString(our), hex.EncodeToString(their))
 		}
 	case "STR":
 		our, ok := v.(string)
@@ -212,7 +213,8 @@ 		if err != nil {
 			log.Fatal(err)
 		}
 		if !bytes.Equal(our, their) {
-			log.Fatalln("BLOB differs:", our, their)
+			log.Fatalln("BLOB differs:",
+				hex.EncodeToString(our), hex.EncodeToString(their))
 		}
 	case "LIST":
 		our, ok := v.([]any)