diff --git a/src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java b/src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java
index a95978904..c7e074249 100644
--- a/src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java
+++ b/src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java
@@ -357,7 +357,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 		final String searchFieldInputs = this.searchFieldInputs.getText().toLowerCase();
 		final String searchFieldOutputs = this.searchFieldOutputs.getText().toLowerCase();
 
-		final Set<Object> cachedSearch = this.getCacheForSearchTerm( "IN:" + searchFieldInputs + " OUT:" + searchFieldOutputs );
+		final Set<Object> cachedSearch = this.getCacheForSearchTerm( "IN:" + searchFieldInputs + " OUT:" + searchFieldOutputs + partInterfaceTerminal.onlyInterfacesWithFreeSlots);
 		final boolean rebuild = cachedSearch.isEmpty();
 
 		for( final ClientDCInternalInv entry : this.byId.values() )
@@ -369,7 +369,8 @@ public class GuiInterfaceTerminal extends AEBaseGui
 			}
 
 			// Shortcut to skip any filter if search term is ""/empty
-			boolean found = (searchFieldInputs.isEmpty() && searchFieldOutputs.isEmpty());
+
+			boolean found = (searchFieldInputs.isEmpty() && searchFieldOutputs.isEmpty() && !partInterfaceTerminal.onlyInterfacesWithFreeSlots);
 
 			// Search if the current inventory holds a pattern containing the search term.
 			if( !found )