diff --git a/src/org/mapsforge/android/glrenderer/ShortItem.java b/src/org/mapsforge/android/glrenderer/ShortItem.java
index e668f247..486d3f3a 100644
--- a/src/org/mapsforge/android/glrenderer/ShortItem.java
+++ b/src/org/mapsforge/android/glrenderer/ShortItem.java
@@ -24,6 +24,6 @@ public class ShortItem {
 		used = 0;
 	}
 
-	// must be multiple of 6 and 4 (expected in LineLayer/PolygonLayer)
-	static final int SIZE = 480;
+	// must be multiple of 4 (expected in LineLayer/PolygonLayer)
+	static final int SIZE = 256;
 }
diff --git a/src/org/mapsforge/android/glrenderer/ShortPool.java b/src/org/mapsforge/android/glrenderer/ShortPool.java
index 79a18504..e2aae72c 100644
--- a/src/org/mapsforge/android/glrenderer/ShortPool.java
+++ b/src/org/mapsforge/android/glrenderer/ShortPool.java
@@ -17,7 +17,7 @@ package org.mapsforge.android.glrenderer;
 import android.util.Log;
 
 public class ShortPool {
-	private static final int POOL_LIMIT = 2500;
+	private static final int POOL_LIMIT = 6000;
 
 	static private ShortItem pool = null;
 	static private int count = 0;