diff --git a/internal/sanitize/sanitize.go b/internal/sanitize/sanitize.go
index 53543b89..8939d797 100644
--- a/internal/sanitize/sanitize.go
+++ b/internal/sanitize/sanitize.go
@@ -87,7 +87,7 @@ func QuoteString(str string) string {
 }
 
 func QuoteBytes(buf []byte) string {
-	return `'\x` + hex.EncodeToString(buf) + "'"
+	return `'\x` + hex.EncodeToString(buf) + "'::bytea"
 }
 
 type sqlLexer struct {
diff --git a/internal/sanitize/sanitize_test.go b/internal/sanitize/sanitize_test.go
index 9597840e..f4337253 100644
--- a/internal/sanitize/sanitize_test.go
+++ b/internal/sanitize/sanitize_test.go
@@ -108,7 +108,7 @@ func TestQuerySanitize(t *testing.T) {
 		{
 			query:    sanitize.Query{Parts: []sanitize.Part{"select ", 1}},
 			args:     []interface{}{[]byte{0, 1, 2, 3, 255}},
-			expected: `select '\x00010203ff'`,
+			expected: `select '\x00010203ff'::bytea`,
 		},
 		{
 			query:    sanitize.Query{Parts: []sanitize.Part{"select ", 1}},