diff --git a/flexsai/p4/backend/CMakeLists.txt b/flexsai/p4/backend/CMakeLists.txt
index e352c20..b6d4336 100644
--- a/flexsai/p4/backend/CMakeLists.txt
+++ b/flexsai/p4/backend/CMakeLists.txt
@@ -72,8 +72,12 @@ add_library(saibackend ${SAI_BACKEND_SRCS})
 add_dependencies(saibackend genIR)
 
 # for flextrum (json=>c api) add python support:
-find_package(PythonLibs REQUIRED)
+find_package(PythonInterp REQUIRED)
+set(Python_ADDITIONAL_VERSIONS 3.6m)
+find_package(PythonLibs 3 REQUIRED)
+set (PYTHON_INCLUDE_DIRS /usr/include/python3.6m)
 include_directories(${PYTHON_INCLUDE_DIRS})
+set (PYTHON_LIBRARIES /usr/lib/x86_64-linux-gnu/libpython3.6m.so)
 
 add_executable(p4c-sai ${SAI_SRCS})
 target_link_libraries (p4c-sai saibackend ${P4C_LIBRARIES} ${P4C_LIB_DEPS} ${PYTHON_LIBRARIES})
diff --git a/flexsai/p4/backend/json_stage/p4c_python.cpp b/flexsai/p4/backend/json_stage/p4c_python.cpp
index 591e37b..a59097d 100644
--- a/flexsai/p4/backend/json_stage/p4c_python.cpp
+++ b/flexsai/p4/backend/json_stage/p4c_python.cpp
@@ -1,2 +1,2 @@
 
-    std::string compiler_path = "/home/yonatanp/p4_16/p4c/extensions/sai";
+    std::string compiler_path = "/home/hemant/bak/p4c/extensions/sai";
diff --git a/flexsai/p4/backend/json_stage/sai.cpp b/flexsai/p4/backend/json_stage/sai.cpp
index e5feec0..e504c3b 100644
--- a/flexsai/p4/backend/json_stage/sai.cpp
+++ b/flexsai/p4/backend/json_stage/sai.cpp
@@ -138,7 +138,7 @@ int main_wrapper(int argc, char *const argv[]) {
     
     Py_SetProgramName(Py_DecodeLocale("sai_json_compiler", NULL));
     Py_Initialize();
-    PySys_SetArgv(py_argc, py_argv);
+    PySys_SetArgvEx(py_argc, py_argv, 0);
     std::string compiler = compiler_path + "/output_stage/P4_compiler.py";
 
     FILE *fd = fopen(compiler.c_str(), "r"); // SAISRCDIR will be replaced in cmake