IllegalStateException: Matrix can not be modified

I'm getting the following crash when I'm trying to execute this line:

photoViewAttacher.getDisplayMatrix(imageview.getMatrix());

Fatal Exception: java.lang.IllegalStateException: Matrix can not be modified
at android.graphics.Matrix$1.oops(Matrix.java:43)
at android.graphics.Matrix$1.set(Matrix.java:48)
at uk.co.senab.photoview.PhotoViewAttacher.getDisplayMatrix(PhotoViewAttacher.java:691)
at com.mypackage.MyActivity.onMatrixChanged(CustomColoringActivity.java:213)
at uk.co.senab.photoview.PhotoViewAttacher.setImageViewMatrix(PhotoViewAttacher.java:875)
at uk.co.senab.photoview.PhotoViewAttacher.checkAndDisplayMatrix(PhotoViewAttacher.java:723)
at uk.co.senab.photoview.PhotoViewAttacher.setRotationBy(PhotoViewAttacher.java:327)
at uk.co.senab.photoview.PhotoViewAttacher.resetMatrix(PhotoViewAttacher.java:859)
at uk.co.senab.photoview.PhotoViewAttacher.updateBaseMatrix(PhotoViewAttacher.java:949)
at uk.co.senab.photoview.PhotoViewAttacher.onGlobalLayout(PhotoViewAttacher.java:449)
at android.view.ViewTreeObserver.dispatchOnGlobalLayout(ViewTreeObserver.java:682)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1868)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1120)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4585)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
at android.view.Choreographer.doCallbacks(Choreographer.java:555)
at android.view.Choreographer.doFrame(Choreographer.java:525)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4953)
at java.lang.reflect.Method.invokeNative(Method.java)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1004)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:771)
at dalvik.system.NativeStart.main(NativeStart.java)

Any ideas how can I fix it? I tried creating new matrix and using it instead, but got same result.