diff --git a/TESTBENCH/common/generate_post_pnr_testbenches.py b/TESTBENCH/common/generate_post_pnr_testbenches.py
index 502905e..51c06f7 100644
--- a/TESTBENCH/common/generate_post_pnr_testbenches.py
+++ b/TESTBENCH/common/generate_post_pnr_testbenches.py
@@ -88,7 +88,7 @@ for curr_pre_pnr_testbench_file in pre_pnr_testbench_files:
   curr_post_pnr_testbench_file = re.sub("\/prepnr\/", "\/postpnr\/", curr_post_pnr_testbench_file)
   curr_wrapper_testbench_file = re.sub("_autocheck_top_tb.v$", "_wrapper_autocheck_top_tb.v", curr_post_pnr_testbench_file)
   logging.info("Processing " + curr_post_pnr_testbench_file + " testbench:")
-  cmd = "python3 " + script_base_dir_abspath + "./post_pnr_wrapper_testbench_converter.py " \
+  cmd = "python3 " + script_base_dir_abspath + "/post_pnr_wrapper_testbench_converter.py " \
       + " --post_pnr_testbench " +  curr_post_pnr_testbench_file \
       + " --pin_assignment_file " +  args.pin_assignment_file \
       + " --wrapper_testbench " + curr_wrapper_testbench_file