Extracted assets become empty files on change in watch mode about extract-text-webpack-plugin HOT 3 CLOSED

Hash: 85ef3dc2498e6db861da
Version: webpack 1.3.0-beta8
Time: 174ms
                               Asset  Size  Chunks             Chunk Names
ce21cbdd9b894e6af794813eb3fdaf60.png   119          [emitted]  
                          styles.css   121          [emitted]  
                           bundle.js  5376       0  [emitted]  main
                         1.bundle.js   573       1  [emitted]  
   [0] ./entry.js 49 {0} [built]
   [1] ./dep.js 45 {0} [built]
   [2] ./dep2.js 24 {1} [built]
   [3] ./style.css 41 {0} [built]
   [4] ../loader.js?{"id":1}!../~/css-loader!./style.css 67 {0} [built]
   [5] ./style2.css 41 {0} [built]
   [6] ../loader.js?{"id":1}!../~/css-loader!./style2.css 67 {0} [built]
   [7] ../~/style-loader/addStyle.js 717 {0} [built]
   [8] ./style3.css 531 {1} [built]
   [9] ../loader.js?{"id":1}!../~/css-loader!./style3.css 73 {1} [built]
  [10] ./image.png 81 {0} [built]
Child extract-text-webpack-plugin:
    Hash: d40fc38dde9cdab57210
    Version: webpack 1.3.0-beta8
                                   Asset  Size  Chunks       Chunk Names
    ce21cbdd9b894e6af794813eb3fdaf60.png   119               
       [0] ../~/css-loader!./style.css 112 {0} [built]
       [1] ./image.png 81 {0} [built]
Child extract-text-webpack-plugin:
    Hash: a8c70dcbfd9ad8b92d9c
    Version: webpack 1.3.0-beta8
    Asset  Size  Chunks       Chunk Names
       [0] ../~/css-loader!./style2.css 45 {0} [built]



>>>>>>>> CHANGE HAPPENS HERE <<<<<<<<

Hash: 5276072cbd0ec3f35d38
Version: webpack 1.3.0-beta8
Time: 12ms
                               Asset  Size  Chunks             Chunk Names
                          styles.css     0          [emitted]  
ce21cbdd9b894e6af794813eb3fdaf60.png   119                     
                           bundle.js  4142       0  [emitted]  main
                         1.bundle.js  1557       1  [emitted]