diff --git a/src/main/java/gripe/_90/appliede/me/misc/EMCInterfaceLogic.java b/src/main/java/gripe/_90/appliede/me/misc/EMCInterfaceLogic.java
index 4581f1d..1742b78 100644
--- a/src/main/java/gripe/_90/appliede/me/misc/EMCInterfaceLogic.java
+++ b/src/main/java/gripe/_90/appliede/me/misc/EMCInterfaceLogic.java
@@ -329,10 +329,29 @@ public boolean matches(AEKey what) {
             }
 
             var grid = mainNode.getGrid();
-            return grid == null
-                    || grid.getService(KnowledgeService.class).knowsItem(item)
+
+            if (grid == null) {
+                // client-side, allow everything in order for items to actually display
+                return true;
+            }
+
+            var node = mainNode.getNode();
+
+            if (node == null) {
+                return false;
+            }
+
+            var uuid = node.getOwningPlayerProfileId();
+
+            if (uuid == null) {
+                return false;
+            }
+
+            var knowledge = grid.getService(KnowledgeService.class);
+            return knowledge.knowsItem(item)
                     || (upgrades.isInstalled(AppliedE.LEARNING_CARD.get())
-                            && IEMCProxy.INSTANCE.hasValue(item.toStack()));
+                            && IEMCProxy.INSTANCE.hasValue(item.toStack())
+                            && knowledge.getProviderFor(uuid) != null);
         }
     }
 }
diff --git a/src/main/java/gripe/_90/appliede/me/service/KnowledgeService.java b/src/main/java/gripe/_90/appliede/me/service/KnowledgeService.java
index 4785cc4..3e95976 100644
--- a/src/main/java/gripe/_90/appliede/me/service/KnowledgeService.java
+++ b/src/main/java/gripe/_90/appliede/me/service/KnowledgeService.java
@@ -108,7 +108,7 @@ Set<IKnowledgeProvider> getProviders() {
         return providers.values().stream().map(Supplier::get).collect(Collectors.toUnmodifiableSet());
     }
 
-    Supplier<IKnowledgeProvider> getProviderFor(UUID uuid) {
+    public Supplier<IKnowledgeProvider> getProviderFor(UUID uuid) {
         return providers.get(uuid);
     }