diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java
index b8162cb442..c57feb16b2 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/groundmarkers/GroundMarkerPlugin.java
@@ -77,7 +77,7 @@ public class GroundMarkerPlugin extends Plugin
 {
 	private static final String CONFIG_GROUP = "groundMarker";
 	private static final String MARK = "Mark tile";
-	private static final Pattern GROUP_MATCHER = Pattern.compile(".*ark tile \\(Group (\\d)\\)");
+	private static final Pattern GROUP_MATCHER = Pattern.compile(".*ark tile \\(Group (\\d{1,2})\\)");
 	private static final String UNMARK = "Unmark tile";
 	private static final String WALK_HERE = "Walk here";
 	private static final String REGION_PREFIX = "region_";
@@ -513,4 +513,4 @@ public class GroundMarkerPlugin extends Plugin
 		this.minimapOverlayOpacity = config.minimapOverlayOpacity();
 		this.thinMarkers = config.thinMarkers();
 	}
-}
\ No newline at end of file
+}