diff --git a/libmexclass/cpp/CMakeLists.txt b/libmexclass/cpp/CMakeLists.txt
index d46a042..09a2acf 100644
--- a/libmexclass/cpp/CMakeLists.txt
+++ b/libmexclass/cpp/CMakeLists.txt
@@ -51,7 +51,7 @@ endfunction()
 
 set(MATLAB_ADDITIONAL_VERSIONS
     "R2023b=23.2")
-
+set(Matlab_ROOT_DIR "C:/Program Files/MATLAB/R2023b")
 # Find MATLAB.
 find_package(Matlab REQUIRED)