diff --git a/source/use_case/kws_asr/src/UseCaseHandler.cc b/source/use_case/kws_asr/src/UseCaseHandler.cc
index 60c0fd2..9080348 100644
--- a/source/use_case/kws_asr/src/UseCaseHandler.cc
+++ b/source/use_case/kws_asr/src/UseCaseHandler.cc
@@ -357,7 +357,7 @@
         }
 
         /* Initialise an audio slider. */
-        auto audioDataSlider = audio::ASRSlidingWindow<const int16_t>(
+        auto audioDataSlider = audio::FractionalSlidingWindow<const int16_t>(
                 audioBuffer.data(),
                 audioBuffer.size(),
                 asrAudioParamsWinLen,