diff --git a/querydsl-scala/src/main/scala/com/mysema/query/scala/Conversions.scala b/querydsl-scala/src/main/scala/com/mysema/query/scala/Conversions.scala
index 27784af29..424277803 100644
--- a/querydsl-scala/src/main/scala/com/mysema/query/scala/Conversions.scala
+++ b/querydsl-scala/src/main/scala/com/mysema/query/scala/Conversions.scala
@@ -6,6 +6,7 @@
 package com.mysema.query.scala;
 
 import com.mysema.query.alias.Alias._
+import com.mysema.query.types.expr._
 import com.mysema.query.types.path._
 
 /**
@@ -14,6 +15,8 @@ import com.mysema.query.types.path._
  */
 object Conversions {
     
+    def not(b: EBoolean): EBoolean = b.not()
+    
     implicit def _boolean(b: Boolean): PBoolean = $(b);
     
     implicit def _string(s: String): PString = $(s);
diff --git a/querydsl-scala/src/test/scala/com/mysema/query/scala/AliasTest.scala b/querydsl-scala/src/test/scala/com/mysema/query/scala/AliasTest.scala
index 8bd348c2b..1a49f4eb8 100644
--- a/querydsl-scala/src/test/scala/com/mysema/query/scala/AliasTest.scala
+++ b/querydsl-scala/src/test/scala/com/mysema/query/scala/AliasTest.scala
@@ -32,6 +32,21 @@ class AliasTest {
         assertEquals("domainType.firstName like Hello", (domainType.firstName like "Hello").toString());
         assertEquals("domainType.firstName ASC",        (domainType.firstName asc).toString());
         
+        // and
+        var andClause = (domainType.firstName like "An%") and (domainType.firstName like "Be%");
+        assertEquals("domainType.firstName like An% && domainType.firstName like Be%", andClause.toString);
+              
+        // or
+        var orClause = (domainType.firstName like "An%") or (domainType.firstName like "Be%");
+        assertEquals("domainType.firstName like An% || domainType.firstName like Be%", orClause.toString);
+
+        // not
+        var notClause = (domainType.firstName like "An%") not;
+        assertEquals("!domainType.firstName like An%", notClause.toString);
+        
+        notClause = not (domainType.firstName like "An%");
+        assertEquals("!domainType.firstName like An%", notClause.toString);
+        
         // FIXME : "eq" and "ne" are already reserved
 //        assertEquals("domainType.firstName = Hello",    (domainType.firstName eq "Hello").toString());
 //        assertEquals("domainType.firstName != Hello",   (domainType.firstName ne "Hello").toString());