diff --git a/zUtil_Python/dct_compile_mex_functions.py b/zUtil_Python/dct_compile_mex_functions.py
index 6818a3ea34c27920c08c92bc27bbfcf1f3282f74..8aaee18d3554a1638e24bc0c789436f8e5400457 100755
--- a/zUtil_Python/dct_compile_mex_functions.py
+++ b/zUtil_Python/dct_compile_mex_functions.py
@@ -193,6 +193,7 @@ class MexBuilder(object):
             cmd.append(option)
         if "-compatibleArrayDims" not in options:
             cmd.append("-largeArrayDims")
+        cmd.append("-lut")
 #         cmd.append("-largeArrayDims") # This unfortunately conflicts with mym.cpp
         self.out.printSubSubJob('File', cmd[1] + ' (cmd: ' + string.join(cmd, ' ') + ' )')
         return subprocess.call(cmd)