diff --git a/src/core/org/luaj/vm2/LuaValue.java b/src/core/org/luaj/vm2/LuaValue.java
index c787dbb6..b551d74e 100644
--- a/src/core/org/luaj/vm2/LuaValue.java
+++ b/src/core/org/luaj/vm2/LuaValue.java
@@ -21,6 +21,8 @@
 ******************************************************************************/
 package org.luaj.vm2;
 
+import org.luaj.vm2.Varargs;
+
 /**
  * Base class for all concrete lua type values.  
  * <p>
@@ -3405,8 +3407,12 @@ public class LuaValue extends Varargs {
 	public static Varargs varargsOf(final LuaValue[] v,Varargs r) { 
 		switch ( v.length ) {
 		case 0: return r;
-		case 1: return r.narg()>0? new Varargs.PairVarargs(v[0],r): v[0];
-		case 2: return r.narg()>0? new Varargs.ArrayVarargs(v,r): new Varargs.PairVarargs(v[0],v[1]);
+		case 1: return r.narg()>0? 
+					(Varargs) new Varargs.PairVarargs(v[0],r): 
+					(Varargs) v[0];
+		case 2: return r.narg()>0? 
+					(Varargs) new Varargs.ArrayVarargs(v,r): 
+					(Varargs) new Varargs.PairVarargs(v[0],v[1]);
 		default: return new Varargs.ArrayVarargs(v,r);
 		}
 	}
@@ -3445,8 +3451,12 @@ public class LuaValue extends Varargs {
 	public static Varargs varargsOf(final LuaValue[] v, final int offset, final int length, Varargs more) {
 		switch ( length ) {
 		case 0: return more;
-		case 1: return more.narg()>0? new Varargs.PairVarargs(v[offset],more): v[offset];
-		case 2: return more.narg()>0? new Varargs.ArrayPartVarargs(v,offset,length,more): new Varargs.PairVarargs(v[offset],v[offset+1]);
+		case 1: return more.narg()>0? 
+					(Varargs) new Varargs.PairVarargs(v[offset],more): 
+					(Varargs) v[offset];
+		case 2: return more.narg()>0? 
+					(Varargs) new Varargs.ArrayPartVarargs(v,offset,length,more): 
+					(Varargs) new Varargs.PairVarargs(v[offset],v[offset+1]);
 		default: return new Varargs.ArrayPartVarargs(v,offset,length,more);
 		}
 	}
diff --git a/src/core/org/luaj/vm2/Varargs.java b/src/core/org/luaj/vm2/Varargs.java
index c1d932a1..a87859c2 100644
--- a/src/core/org/luaj/vm2/Varargs.java
+++ b/src/core/org/luaj/vm2/Varargs.java
@@ -688,7 +688,7 @@ public abstract class Varargs {
 			return LuaValue.varargsOf(v, offset + start - 1, length - (start - 1), more);
 		}
 		void copyto(LuaValue[] dest, int offset, int length) {
-			int n = Math.min(this.v.length, length);
+			int n = Math.min(this.length, length);
 			System.arraycopy(this.v, this.offset, dest, offset, n);
 			more.copyto(dest, offset + n, length - n);
 		}