diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index ed5e2b26857..1b68ff99c62 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -14559,7 +14559,7 @@ Numeric:	INT_P
 				{
 					if (sql_dialect == SQL_DIALECT_TSQL)
 					{
-						$$ = makeTypeName("decimal");
+						$$ = SystemTypeName("numeric");
 						$$->typmods = $2;
 						$$->location = @1;
 						if (validate_numeric_typmods_hook)
@@ -14578,7 +14578,7 @@ Numeric:	INT_P
 				{
 					if (sql_dialect == SQL_DIALECT_TSQL)
 					{
-						$$ = makeTypeName("decimal");
+						$$ = SystemTypeName("numeric");
 						$$->typmods = $2;
 						$$->location = @1;
 						if (validate_numeric_typmods_hook)