diff --git a/vtm-ios/src/org/oscim/ios/backend/IosGraphics.java b/vtm-ios/src/org/oscim/ios/backend/IosGraphics.java
index 57e38dac..d547357f 100644
--- a/vtm-ios/src/org/oscim/ios/backend/IosGraphics.java
+++ b/vtm-ios/src/org/oscim/ios/backend/IosGraphics.java
@@ -22,7 +22,6 @@ import org.oscim.backend.canvas.Paint;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -71,8 +70,7 @@ public class IosGraphics extends CanvasAdapter {
     @Override
     protected Bitmap loadBitmapAssetImpl(String relativePathPrefix, String src) {
         try {
-            String pathName = (relativePathPrefix == null || relativePathPrefix.length() == 0 ? "" : relativePathPrefix + File.separatorChar) + src;
-            return new IosBitmap(pathName);
+            return createBitmap(relativePathPrefix, src);
         } catch (IOException e) {
             log.error("loadBitmapAssetImpl", e);
             return null;