diff --git a/passes/techmap/lut2mux.cc b/passes/techmap/lut2mux.cc
index 0da58f95d..3d45734ec 100644
--- a/passes/techmap/lut2mux.cc
+++ b/passes/techmap/lut2mux.cc
@@ -91,7 +91,7 @@ struct Lut2muxPass : public Pass {
 			break;
 		}
 		extra_args(args, argidx, design);
-		
+
 		for (auto module : design->selected_modules())
 		for (auto cell : module->selected_cells()) {
 			if (cell->type == ID($lut)) {