diff --git a/passes/submod/submod.cc b/passes/submod/submod.cc
index a9218914..b241f9d0 100644
--- a/passes/submod/submod.cc
+++ b/passes/submod/submod.cc
@@ -336,8 +336,11 @@ struct SubmodPass : public Pass {
 			}
 			if (module == NULL)
 				log("Nothing selected -> do nothing.\n");
-			else
+			else {
+				Pass::call_newsel(design, stringf("opt_clean %s", module->name.c_str()));
+				log_header("Continuing SUBMOD pass.\n");
 				SubmodWorker worker(design, module, opt_name);
+			}
 		}
 
 		log_pop();