--- src/liboslexec/CMakeLists.txt.orig	2022-09-30 23:43:53 UTC
+++ src/liboslexec/CMakeLists.txt
@@ -211,7 +211,7 @@ macro ( CUDA_SHADEOPS_COMPILE srclist )
 
     # Serialize the linked bitcode into a CPP file and add it to the list of liboslexec sources
     add_custom_command ( OUTPUT ${shadeops_bc_cuda_cpp}
-        COMMAND ${Python_EXECUTABLE} "${CMAKE_SOURCE_DIR}/src/build-scripts/serialize-bc.py"
+        COMMAND %%PY_CMD%% "${CMAKE_SOURCE_DIR}/src/build-scripts/serialize-bc.py"
             ${linked_shadeops_bc} ${shadeops_bc_cuda_cpp} "osl_llvm_compiled_ops_cuda"
         DEPENDS "${CMAKE_SOURCE_DIR}/src/build-scripts/serialize-bc.py" ${linked_shadeops_bc}
         ${exec_headers} ${PROJECT_PUBLIC_HEADERS}