diff --git a/passes/techmap/abc_new.cc b/passes/techmap/abc_new.cc
index f8df67b39..fd3d10b88 100644
--- a/passes/techmap/abc_new.cc
+++ b/passes/techmap/abc_new.cc
@@ -99,6 +99,7 @@ struct AbcNewPass : public ScriptPass {
 	{
 		std::string run_from, run_to;
 		cleanup = true;
+		abc_exe_options.clear();
 		size_t argidx;
 		for (argidx = 1; argidx < args.size(); argidx++) {
 			if (args[argidx] == "-exe" || args[argidx] == "-script" ||
diff --git a/tests/abc_new/generate_mk.py b/tests/abc_new/generate_mk.py
index f7d4a7230..3ea1cb6ec 100644
--- a/tests/abc_new/generate_mk.py
+++ b/tests/abc_new/generate_mk.py
@@ -11,7 +11,6 @@ skip = [
     "hier_check.ys",
     "keep_wire.ys",
     "scopeinfo.ys",
-    "twice.ys",
     "whitebox_portarcs_fpe.ys",
 ]