diff --git a/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/DDLStatement.g4 b/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/DDLStatement.g4
index 5f002e85d5655..d9b5dc232cfb5 100644
--- a/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/DDLStatement.g4
+++ b/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/DDLStatement.g4
@@ -3668,5 +3668,5 @@ replaceTypeClause
     ;
 
 alterType
-    : ALTER TYPE typeName (compileTypeClause|replaceTypeClause)?
+    : ALTER TYPE typeName (compileTypeClause | replaceTypeClause)?
     ;