diff --git a/binding/lua/multiverso.lua b/binding/lua/multiverso.lua
index e39b1fd..8535062 100644
--- a/binding/lua/multiverso.lua
+++ b/binding/lua/multiverso.lua
@@ -24,7 +24,7 @@ ffi.cdef[[
     void MV_GetMatrixTableAll(TableHandler handler, float* data, int size);
     void MV_AddMatrixTableAll(TableHandler handler, float* data, int size);
     void MV_GetMatrixTableByRows(TableHandler handler, int row_ids[], int row_ids_n, int num_col,  float** data);
-    void MV_AddMatrixTableByRows(TableHandler handler, int row_ids[], int row_ids_n, int num_col, float* data[]);
+    void MV_AddMatrixTableByRows(TableHandler handler, float* data, int num_col, int row_ids[], int row_ids_n);
 ]]
 
 package.cpath = "../../build/src/?.so;" .. package.cpath
@@ -134,7 +134,8 @@ function mv.MatrixTableHandler:add(data, row_ids)
         crow_ids = util.array2cdata(row_ids, #row_ids, "int[?]")
         crow_ids_n = ffi.new("int", #row_ids)
         cdata = util.matrix2cdata(data, #row_ids, tonumber(self._num_col))
-        libmv.MV_AddMatrixTableByRows(self._handler[0], crow_ids, crow_ids_n, self._num_col, cdata)
+        libmv.MV_AddMatrixTableByRows(self._handler[0], cdata, self._num_col,
+                                      crow_ids, crow_ids_n)
     end
 end