diff --git a/lib_xua/src/core/audiohub/xua_audiohub.xc b/lib_xua/src/core/audiohub/xua_audiohub.xc
index 3964fba5..5ae90465 100755
--- a/lib_xua/src/core/audiohub/xua_audiohub.xc
+++ b/lib_xua/src/core/audiohub/xua_audiohub.xc
@@ -211,9 +211,9 @@ static inline int HandleSampleClock(int frameCount, buffered _XUA_CLK_DIR port:3
     else
     {
         if(frameCount == 0)
-            partout(p_lrclk, N_BITS_I2S, 0x80000000);
+            partout(p_lrclk, N_BITS_I2S, 0x80000000 >> (32 - N_BITS_I2S));
         else
-            partout(p_lrclk, N_BITS_I2S, 0x7fffffff);
+            partout(p_lrclk, N_BITS_I2S, 0x7fffffff >> (32 - N_BITS_I2S));
 
     }