diff --git a/storage/sql/sql.go b/storage/sql/sql.go
index d671021f..1965f5ff 100644
--- a/storage/sql/sql.go
+++ b/storage/sql/sql.go
@@ -95,7 +95,7 @@ var (
 			// For compound indexes (with two keys) even less.
 			{matchLiteral("text"), "varchar(384)"},
 			// Quote keywords and reserved words used as identifiers.
-			{regexp.MustCompile(`\b(keys)\b`), "`$1`"},
+			{regexp.MustCompile(`\b(keys|groups)\b`), "`$1`"},
 			// Change default timestamp to fit datetime.
 			{regexp.MustCompile(`0001-01-01 00:00:00 UTC`), "1000-01-01 00:00:00"},
 		},