diff --git a/passes/techmap/clockgate.cc b/passes/techmap/clockgate.cc
index 7c6ca5551..b68e5d93d 100644
--- a/passes/techmap/clockgate.cc
+++ b/passes/techmap/clockgate.cc
@@ -290,9 +290,7 @@ struct ClockgatePass : public Pass {
 				continue;
 			}
 			if (args[argidx] == "-liberty" && argidx+1 < args.size()) {
-				std::string liberty_file = args[++argidx];
-				rewrite_filename(liberty_file);
-				liberty_files.push_back(liberty_file);
+				append_globbed(liberty_files, args[++argidx]);
 				continue;
 			}
 			if (args[argidx] == "-dont_use" && argidx+1 < args.size()) {
diff --git a/tests/techmap/clockgate.ys b/tests/techmap/clockgate.ys
index da0f9dc42..c28852ef8 100644
--- a/tests/techmap/clockgate.ys
+++ b/tests/techmap/clockgate.ys
@@ -194,7 +194,7 @@ select -assert-count 1 t:\\pdk_icg
 #------------------------------------------------------------------------------
 
 design -load before
-clockgate -liberty clockgate.lib
+clockgate -liberty c*ckgate.lib
 
 # rising edge ICGs
 select -module dffe_00 -assert-count 0 t:\\pos_small