diff --git a/vtm/src/org/oscim/theme/XmlMapsforgeThemeBuilder.java b/vtm/src/org/oscim/theme/XmlMapsforgeThemeBuilder.java
index a797332b..267e6da9 100644
--- a/vtm/src/org/oscim/theme/XmlMapsforgeThemeBuilder.java
+++ b/vtm/src/org/oscim/theme/XmlMapsforgeThemeBuilder.java
@@ -616,7 +616,7 @@ public class XmlMapsforgeThemeBuilder extends DefaultHandler {
                 x += f;
                 transparent = !transparent;
             }
-            b.texture = new TextureItem(bitmap);
+            b.texture = new TextureItem(Utils.potBitmap(bitmap));
             b.texture.mipmap = true;
             b.randomOffset = false;
             b.stipple = width;
@@ -633,7 +633,7 @@ public class XmlMapsforgeThemeBuilder extends DefaultHandler {
                 Canvas canvas = CanvasAdapter.newCanvas();
                 canvas.setBitmap(bitmap);
                 canvas.drawBitmap(b.texture.bitmap, b.repeatStart, 0);
-                b.texture = new TextureItem(bitmap);
+                b.texture = new TextureItem(Utils.potBitmap(bitmap));
                 b.texture.mipmap = true;
                 b.fixed = true;
                 b.randomOffset = false;
diff --git a/vtm/src/org/oscim/theme/XmlThemeBuilder.java b/vtm/src/org/oscim/theme/XmlThemeBuilder.java
index 0be3db86..b78cda2d 100644
--- a/vtm/src/org/oscim/theme/XmlThemeBuilder.java
+++ b/vtm/src/org/oscim/theme/XmlThemeBuilder.java
@@ -608,7 +608,7 @@ public class XmlThemeBuilder extends DefaultHandler {
                 x += f;
                 transparent = !transparent;
             }
-            b.texture = new TextureItem(bitmap);
+            b.texture = new TextureItem(Utils.potBitmap(bitmap));
             b.texture.mipmap = true;
             b.randomOffset = false;
             b.stipple = width;
@@ -625,7 +625,7 @@ public class XmlThemeBuilder extends DefaultHandler {
                 Canvas canvas = CanvasAdapter.newCanvas();
                 canvas.setBitmap(bitmap);
                 canvas.drawBitmap(b.texture.bitmap, b.repeatStart, 0);
-                b.texture = new TextureItem(bitmap);
+                b.texture = new TextureItem(Utils.potBitmap(bitmap));
                 b.texture.mipmap = true;
                 b.fixed = true;
                 b.randomOffset = false;
diff --git a/vtm/src/org/oscim/utils/Utils.java b/vtm/src/org/oscim/utils/Utils.java
index efefafff..62c6991e 100644
--- a/vtm/src/org/oscim/utils/Utils.java
+++ b/vtm/src/org/oscim/utils/Utils.java
@@ -45,20 +45,7 @@ public final class Utils {
             Bitmap bitmap = CanvasAdapter.getBitmapAsset(relativePathPrefix, src, width, height, percent);
             if (bitmap != null) {
                 log.debug("loading {}", src);
-
-                if (Parameters.POT_TEXTURES) {
-                    int potWidth = MathUtils.nextPowerOfTwo(bitmap.getWidth());
-                    int potHeight = MathUtils.nextPowerOfTwo(bitmap.getHeight());
-                    if (potWidth != bitmap.getWidth() || potHeight != bitmap.getHeight()) {
-                        log.debug("POT texture: {}x{} -> {}x{}", bitmap.getWidth(), bitmap.getHeight(), potWidth, potHeight);
-                        Bitmap potBitmap = CanvasAdapter.newBitmap(potWidth, potHeight, 0);
-                        Canvas canvas = CanvasAdapter.newCanvas();
-                        canvas.setBitmap(potBitmap);
-                        canvas.drawBitmapScaled(bitmap);
-                        bitmap = potBitmap;
-                    }
-                }
-                return new TextureItem(bitmap, true);
+                return new TextureItem(potBitmap(bitmap), true);
             }
         } catch (Exception e) {
             log.error("{}: missing file / {}", src, e.getMessage());
@@ -66,6 +53,27 @@ public final class Utils {
         return null;
     }
 
+    /**
+     * Returns a Bitmap with POT size, if {@link Parameters#POT_TEXTURES} is true.
+     * Else the returned Bitmap is the same instance of given Bitmap.
+     * If the given Bitmap has POT size, the given instance is returned.
+     */
+    public static Bitmap potBitmap(Bitmap bitmap) {
+        if (Parameters.POT_TEXTURES) {
+            int potWidth = MathUtils.nextPowerOfTwo(bitmap.getWidth());
+            int potHeight = MathUtils.nextPowerOfTwo(bitmap.getHeight());
+            if (potWidth != bitmap.getWidth() || potHeight != bitmap.getHeight()) {
+                log.debug("POT texture: {}x{} -> {}x{}", bitmap.getWidth(), bitmap.getHeight(), potWidth, potHeight);
+                Bitmap potBitmap = CanvasAdapter.newBitmap(potWidth, potHeight, 0);
+                Canvas potCanvas = CanvasAdapter.newCanvas();
+                potCanvas.setBitmap(potBitmap);
+                potCanvas.drawBitmapScaled(bitmap);
+                bitmap = potBitmap;
+            }
+        }
+        return bitmap;
+    }
+
     private Utils() {
         throw new IllegalStateException();
     }