--- a/core/src/luan/LuanJavaFunction.java	Mon Jul 13 20:53:02 2015 -0600
+++ b/core/src/luan/LuanJavaFunction.java	Tue Jul 14 17:40:48 2015 -0600
@@ -94,7 +94,7 @@
 				throw (Error)cause;
 			if( cause instanceof LuanException )
 				throw (LuanException)cause;
-			throw luan.exception(cause);
+			throw new LuanException(luan,cause);
 		} catch(InstantiationException e) {
 			throw new RuntimeException(e);
 		}
@@ -131,10 +131,10 @@
 					expected = fixType(paramType.getSimpleName());
 				if( arg==null ) {
 					if( paramType.isPrimitive() )
-						throw luan.exception("bad argument #"+(i+1-start)+" ("+expected+" expected, got nil)");
+						throw new LuanException(luan,"bad argument #"+(i+1-start)+" ("+expected+" expected, got nil)");
 				} else {
 					String got = fixType(arg.getClass().getSimpleName());
-					throw luan.exception("bad argument #"+(i+1-start)+" ("+expected+" expected, got "+got+")");
+					throw new LuanException(luan,"bad argument #"+(i+1-start)+" ("+expected+" expected, got "+got+")");
 				}
 			}
 		}