make invoke use RT.assoc so works on nil

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cli/runtime/Keyword.cs b/src/cli/runtime/Keyword.cs
index d23ec19e..432b4ac6 100644
--- a/src/cli/runtime/Keyword.cs
+++ b/src/cli/runtime/Keyword.cs
@@ -25,7 +25,7 @@ internal Keyword(String name):base(name)
	{
	}

public Object invoke() /*throws
     if (obj == null)

         return null;

 	return ((IPersistentMap)obj).get(this);
	}

/**
 *  Indexer implements IFn for attr access
 *  This two arg version is the setter
 * @param tld
 * @param obj - must be AMap
 * @param val
 * @return val

 */
public Object invoke( Object obj, Object val) /*throws Exception*/
	{

-	return ((IPersistentMap)obj).assoc(this, val);
	}
+	return RT.assoc(this, val,obj);
	}
 
 public Object invoke(Object arg1, Object arg2, Object arg3)

 	{