diff --git a/ModuleManager/NeedsChecker.cs b/ModuleManager/NeedsChecker.cs
index 386da6bb..e089fdbd 100644
--- a/ModuleManager/NeedsChecker.cs
+++ b/ModuleManager/NeedsChecker.cs
@@ -79,9 +79,7 @@ public static void CheckNeeds(UrlDir gameDatabaseRoot, IEnumerable<string> mods,
 
         private static void CheckNeeds(NodeStack stack, PatchContext context, IEnumerable<string> mods)
         {
-            bool needsCopy = false;
             ConfigNode original = stack.value;
-            ConfigNode copy = new ConfigNode(original.name);
             for (int i = 0; i < original.values.Count; ++i)
             {
                 ConfigNode.Value val = original.values[i];
@@ -90,11 +88,12 @@ private static void CheckNeeds(NodeStack stack, PatchContext context, IEnumerabl
                 {
                     if (CheckNeeds(ref valname, mods))
                     {
-                        copy.AddValue(valname, val.value);
+                        val.name = valname;
                     }
                     else
                     {
-                        needsCopy = true;
+                        original.values.Remove(val);
+                        i--;
                         context.progress.NeedsUnsatisfiedValue(context.patchUrl, stack, val.name);
                     }
                 }
@@ -127,11 +126,11 @@ private static void CheckNeeds(NodeStack stack, PatchContext context, IEnumerabl
                     {
                         node.name = nodeName;
                         CheckNeeds(stack.Push(node), context, mods);
-                        copy.AddNode(node);
                     }
                     else
                     {
-                        needsCopy = true;
+                        original.nodes.Remove(node);
+                        i--;
                         context.progress.NeedsUnsatisfiedNode(context.patchUrl, stack.Push(node));
                     }
                 }
@@ -146,9 +145,6 @@ private static void CheckNeeds(NodeStack stack, PatchContext context, IEnumerabl
                     throw;
                 }
             }
-
-            if (needsCopy)
-                original.ShallowCopyFrom(copy);
         }
 
         /// <summary>
diff --git a/ModuleManagerTests/NeedsCheckerTest.cs b/ModuleManagerTests/NeedsCheckerTest.cs
index a9397a55..ebd4f700 100644
--- a/ModuleManagerTests/NeedsCheckerTest.cs
+++ b/ModuleManagerTests/NeedsCheckerTest.cs
@@ -477,6 +477,38 @@ public void TestCheckNeeds__ExceptionWhileLoggingException()
             Assert.Equal(new[] { config1, config3 }, root.AllConfigs);
         }
 
+        [Fact]
+        public void TestCheckNeeds__AllNeedsSatisfied()
+        {
+            string[] modList = { "mod1", "mod2" };
+
+            UrlDir.UrlConfig config1 = UrlBuilder.CreateConfig(new TestConfigNode("SOME_NODE")
+            {
+                { "value", "1" },
+            }, file);
+            UrlDir.UrlConfig config2 = UrlBuilder.CreateConfig(new TestConfigNode("@SOME_NODE")
+            {
+                { "@value", "2" },
+                { "@value:NEEDS[mod1] +", "4" },
+            }, file);
+
+            NeedsChecker.CheckNeeds(root, modList, progress, logger);
+
+            progress.DidNotReceiveWithAnyArgs().Exception(null, null);
+            progress.DidNotReceiveWithAnyArgs().Exception(null, null, null);
+            progress.DidNotReceiveWithAnyArgs().Error(null, null);
+
+            ConfigNode node = root.AllConfigs.ToArray().Last().config;
+            Assert.Equal("@SOME_NODE", node.name);
+            Assert.Equal("@value", node.values[0].name);
+            Assert.Equal("2", node.values[0].value);
+            Assert.Equal("@value +", node.values[1].name);
+            Assert.Equal("4", node.values[1].value);
+            
+            progress.DidNotReceiveWithAnyArgs().NeedsUnsatisfiedValue(null, null, null);
+
+        }
+
         private UrlDir.UrlConfig CreateConfig(string name)
         {
             ConfigNode node = new TestConfigNode(name)