diff --git a/gradle.properties b/gradle.properties
index 194829003..6b8dd2154 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -39,7 +39,7 @@ modId=appliedenergistics2
 modGroup=appeng
 # Version of your mod.
 # This field can be left empty if you want your mod's version to be determined by the latest git tag instead.
-modVersion=rv6-stable-7-extended_life-v0.55.20
+modVersion=rv6-stable-7-extended_life-v0.55.21
 # Whether to use the old jar naming structure (modid-mcversion-version) instead of the new version (modid-version)
 includeMCVersionJar=false
 # The name of your jar when you produce builds, not including any versioning info
diff --git a/src/main/java/appeng/client/gui/implementations/GuiOreDictStorageBus.java b/src/main/java/appeng/client/gui/implementations/GuiOreDictStorageBus.java
index cb8bd861d..c444c7e71 100644
--- a/src/main/java/appeng/client/gui/implementations/GuiOreDictStorageBus.java
+++ b/src/main/java/appeng/client/gui/implementations/GuiOreDictStorageBus.java
@@ -34,7 +34,7 @@ public class GuiOreDictStorageBus extends AEBaseGui {
     private GuiImgButton partition;
     private GuiImgButton storageFilter;
     private GuiImgButton rwMode;
-    private static final Pattern ORE_DICTIONARY_FILTER = Pattern.compile("[(!]* *[0-9a-zA-Z*]* *\\)*( *[&|^]? *[(!]* *[0-9a-zA-Z*]* *\\)*)*");
+    private static final Pattern ORE_DICTIONARY_FILTER = Pattern.compile("[0-9a-zA-Z* &|^!()]*");
     private MEGuiTextField searchFieldInputs;
 
     public GuiOreDictStorageBus(final InventoryPlayer inventoryPlayer, final PartOreDicStorageBus te) {