diff --git a/targets/corstone-300/CMakeLists.txt b/targets/corstone-300/CMakeLists.txt
index a9e69ec..4e766df 100644
--- a/targets/corstone-300/CMakeLists.txt
+++ b/targets/corstone-300/CMakeLists.txt
@@ -26,7 +26,7 @@
     set(CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/toolchain/armclang.cmake")
 endif()
 
-set(ETHOSU_COMMAND_DEFAULT ${CMAKE_CURRENT_SOURCE_DIR}/../../scripts/run_ctest.py -t corstone-300)
+set(ETHOSU_COMMAND_DEFAULT python3 ${CMAKE_CURRENT_SOURCE_DIR}/../../scripts/run_ctest.py -t corstone-300)
 
 option(CPU_CACHE_ENABLE "Enable CPU instruction- and data cache" ON)
 
@@ -34,6 +34,8 @@
 # Project
 #############################################################################
 
+# Note: On Windows systems CMake 3.20.0 might cause issues with errouneous dependency make files.
+#       Issues solved with CMake 3.20.1.
 cmake_minimum_required(VERSION 3.15.6)
 
 project(ethos-u-corstone-300 VERSION 0.0.1)