diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/TagManager.java b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/TagManager.java
index 8aeeb38237..be08d9154f 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/TagManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/TagManager.java
@@ -76,6 +76,15 @@ public class TagManager
 		}
 	}
 
+	public void addTags(int itemId, final Collection<String> t)
+	{
+		final Collection<String> tags = getTags(itemId);
+		if (tags.addAll(t))
+		{
+			setTags(itemId, tags);
+		}
+	}
+
 	public void addTag(int itemId, String tag)
 	{
 		final Collection<String> tags = getTags(itemId);
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java
index 3b4ed54918..67a26371f4 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java
@@ -67,6 +67,7 @@ import net.runelite.client.plugins.banktags.BankTagsConfig;
 import net.runelite.client.plugins.banktags.BankTagsPlugin;
 import static net.runelite.client.plugins.banktags.BankTagsPlugin.CONFIG_GROUP;
 import static net.runelite.client.plugins.banktags.BankTagsPlugin.ICON_SEARCH;
+import static net.runelite.client.plugins.banktags.BankTagsPlugin.SPLITTER;
 import static net.runelite.client.plugins.banktags.BankTagsPlugin.TAG_SEARCH;
 import net.runelite.client.plugins.banktags.TagManager;
 import net.runelite.client.util.ColorUtil;
@@ -439,9 +440,11 @@ public class TabInterface
 						return;
 					}
 
+					final List<String> tags = SPLITTER.splitToList(newTags);
+
 					for (Integer item : items)
 					{
-						tagManager.setTagString(item, newTags);
+						tagManager.addTags(item, tags);
 					}
 				});
 			}