diff --git a/vtm/src/org/oscim/renderer/BitmapRenderer.java b/vtm/src/org/oscim/renderer/BitmapRenderer.java
index 60b3b73c..6ac03905 100644
--- a/vtm/src/org/oscim/renderer/BitmapRenderer.java
+++ b/vtm/src/org/oscim/renderer/BitmapRenderer.java
@@ -33,7 +33,6 @@ public class BitmapRenderer extends BucketRenderer {
     private Bitmap mBitmap;
     private int mWidth;
     private int mHeight;
-    private boolean initialized;
     private boolean mUpdateBitmap;
     private GLViewport.Position position = GLViewport.Position.TOP_LEFT;
     private float xOffset, yOffset;
@@ -47,7 +46,7 @@ public class BitmapRenderer extends BucketRenderer {
         mBitmap = bitmap;
         mWidth = width;
         mHeight = height;
-        initialized = false;
+        mInitialized = false;
     }
 
     public synchronized void setPosition(GLViewport.Position position) {
@@ -65,7 +64,7 @@ public class BitmapRenderer extends BucketRenderer {
 
     @Override
     public synchronized void update(GLViewport v) {
-        if (!initialized) {
+        if (!mInitialized) {
             buckets.clear();
 
             BitmapBucket l = new BitmapBucket(true);
diff --git a/vtm/src/org/oscim/renderer/BucketRenderer.java b/vtm/src/org/oscim/renderer/BucketRenderer.java
index e8839f7b..a1b8ad4e 100644
--- a/vtm/src/org/oscim/renderer/BucketRenderer.java
+++ b/vtm/src/org/oscim/renderer/BucketRenderer.java
@@ -74,7 +74,7 @@ public class BucketRenderer extends LayerRenderer {
         mMapPosition = new MapPosition();
     }
 
-    protected boolean mInititialzed;
+    protected boolean mInitialized;
 
     /**
      * Default implementation:
@@ -82,9 +82,9 @@ public class BucketRenderer extends LayerRenderer {
      */
     @Override
     public void update(GLViewport v) {
-        if (!mInititialzed) {
+        if (!mInitialized) {
             mMapPosition.copy(v.pos);
-            mInititialzed = true;
+            mInitialized = true;
             compile();
         }
     }