diff --git a/src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj b/src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj
index edeebc79a..c94eeba3b 100644
--- a/src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj
+++ b/src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj
@@ -1345,7 +1345,7 @@ Expression RegularCondition():
 	[ <K_NOT> { not = true; } ]
 	leftExpression=ComparisonItem() { result = leftExpression; }
 
-	[ "(+)" { oracleJoin=EqualsTo.ORACLE_JOIN_RIGHT; } ]
+	[ "(" "+" ")" { oracleJoin=EqualsTo.ORACLE_JOIN_RIGHT; } ]
 
 	(
 	">" { result = new GreaterThan(); }
@@ -1365,7 +1365,7 @@ Expression RegularCondition():
 	rightExpression=ComparisonItem()
 
 	[ <K_PRIOR> { oraclePrior = EqualsTo.ORACLE_PRIOR_END; } ]
-	[ "(+)" { oracleJoin=EqualsTo.ORACLE_JOIN_LEFT; } ]
+	[ "(" "+" ")" { oracleJoin=EqualsTo.ORACLE_JOIN_LEFT; } ]
 
 	{
 		BinaryExpression regCond = (BinaryExpression) result;
@@ -1411,12 +1411,12 @@ Expression InExpression() :
 			LOOKAHEAD(SimpleExpressionList()) leftItemsList = SimpleExpressionList() { result.setLeftItemsList(leftItemsList); }
 			|
 			leftExpression=SimpleExpression()
-	        [ "(+)" { result.setOldOracleJoinSyntax(EqualsTo.ORACLE_JOIN_RIGHT); } ]
+	        [ "(" "+" ")" { result.setOldOracleJoinSyntax(EqualsTo.ORACLE_JOIN_RIGHT); } ]
 		  )
 	  ")"
 	|
 		leftExpression=SimpleExpression() { result.setLeftExpression(leftExpression); }
-        [ "(+)" { result.setOldOracleJoinSyntax(EqualsTo.ORACLE_JOIN_RIGHT); } ]
+        [ "(" "+" ")" { result.setOldOracleJoinSyntax(EqualsTo.ORACLE_JOIN_RIGHT); } ]
 	)
     [<K_NOT> { result.setNot(true); } ] <K_IN> "(" (LOOKAHEAD(SubSelect()) rightItemsList=SubSelect() | rightItemsList=SimpleExpressionList() ) ")"
 	{
diff --git a/src/test/java/net/sf/jsqlparser/test/select/SelectTest.java b/src/test/java/net/sf/jsqlparser/test/select/SelectTest.java
index 1ef690265..2531b86be 100644
--- a/src/test/java/net/sf/jsqlparser/test/select/SelectTest.java
+++ b/src/test/java/net/sf/jsqlparser/test/select/SelectTest.java
@@ -1214,6 +1214,20 @@ public void testOracleJoin2() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed(stmt);
     }
 
+    public void testOracleJoin2_1() throws JSQLParserException {
+        String[] values = new String[]{"(+)", "( +)", "(+ )", "( + )"," (+) "};
+        for (String value : values) {
+            assertSqlCanBeParsedAndDeparsed("SELECT * FROM tabelle1, tabelle2 WHERE tabelle1.a" + value + " = tabelle2.b", true);
+        }
+    }
+    
+    public void testOracleJoin2_2() throws JSQLParserException {
+        String[] values = new String[]{"(+)", "( +)", "(+ )", "( + )"," (+) "};
+        for (String value : values) {
+            assertSqlCanBeParsedAndDeparsed("SELECT * FROM tabelle1, tabelle2 WHERE tabelle1.a = tabelle2.b" + value, true);
+        }
+    }
+
     public void testOracleJoin3() throws JSQLParserException {
         String stmt = "SELECT * FROM tabelle1, tabelle2 WHERE tabelle1.a(+) > tabelle2.b";
         assertSqlCanBeParsedAndDeparsed(stmt);
@@ -1600,9 +1614,9 @@ public void testReservedKeyword() throws JSQLParserException {
         final Select select = (Select) parserManager.parse(new StringReader(statement));
         assertStatementCanBeDeparsedAs(select, statement);
     }
-    
-     public void testReservedKeyword2() throws JSQLParserException {
-        final String stmt = "SELECT open FROM tableName"; 
+
+    public void testReservedKeyword2() throws JSQLParserException {
+        final String stmt = "SELECT open FROM tableName";
         assertSqlCanBeParsedAndDeparsed(stmt);
     }
 
@@ -1647,15 +1661,15 @@ public void testSelectOracleColl() throws JSQLParserException {
     public void testSelectInnerWith() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT * FROM (WITH actor AS (SELECT 'a' aid FROM DUAL) SELECT aid FROM actor)");
     }
-    
+
     public void testSelectWithinGroup() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT LISTAGG(col1, '##') WITHIN GROUP (ORDER BY col1) FROM table1");
     }
-    
+
     public void testSelectUserVariable() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT @col FROM t1");
     }
-    
+
     public void testSelectNumericBind() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT a FROM b WHERE c = :1");
     }