diff --git a/src/core/org/luaj/vm2/LuaTable.java b/src/core/org/luaj/vm2/LuaTable.java
index 154bf7be..fe1e294d 100644
--- a/src/core/org/luaj/vm2/LuaTable.java
+++ b/src/core/org/luaj/vm2/LuaTable.java
@@ -296,7 +296,7 @@ public class LuaTable extends LuaValue {
 	}
 	
 	public boolean eq_b( LuaTable val ) { 
-		return this == val || val.eqmt_b(this); 
+		return this == val || (m_metatable!=null && val.eqmt_b(this)); 
 	}
 	
 	public int maxn() {
diff --git a/src/core/org/luaj/vm2/LuaUserdata.java b/src/core/org/luaj/vm2/LuaUserdata.java
index 8df3245b..9f07ff37 100644
--- a/src/core/org/luaj/vm2/LuaUserdata.java
+++ b/src/core/org/luaj/vm2/LuaUserdata.java
@@ -113,6 +113,6 @@ public class LuaUserdata extends LuaValue {
 	}
 	
 	public boolean eq_b( LuaUserdata val ) { 
-		return this == val || m_instance.equals(val.m_instance) || val.eqmt_b(this); 
+		return this == val || m_instance.equals(val.m_instance) || (m_metatable!=null && val.eqmt_b(this)); 
 	}
 }