diff --git a/src/cs_gen.cc b/src/cs_gen.cc
index ab59bd9..9c3d80d 100644
--- a/src/cs_gen.cc
+++ b/src/cs_gen.cc
@@ -239,7 +239,9 @@ static void compilelookup(codegen_state &gs, int ltype, int prevargs = MAX_RESUL
             if (lookup.empty()) goto invalid;
             lookup.push_back('\0');
 lookupid:
-            ident *id = gs.ts.pstate->new_ident(lookup.str_term());
+            ident *id = gs.ts.pstate->new_ident(
+                lookup.str_term(), IDENT_FLAG_UNKNOWN
+            );
             if (id) {
                 switch (id->get_type()) {
                     case ident_type::IVAR:
@@ -531,7 +533,9 @@ static bool compileblocksub(codegen_state &gs, int prevargs) {
             }
             lookup.push_back('\0');
 lookupid:
-            ident *id = gs.ts.pstate->new_ident(lookup.str_term());
+            ident *id = gs.ts.pstate->new_ident(
+                lookup.str_term(), IDENT_FLAG_UNKNOWN
+            );
             if (id) {
                 switch (id->get_type()) {
                     case ident_type::IVAR:
@@ -1224,7 +1228,9 @@ static void compilestatements(codegen_state &gs, int rettype, int brak, int prev
                     gs.next_char();
                     if (!idname.empty()) {
                         idname.push_back('\0');
-                        ident *id = gs.ts.pstate->new_ident(idname.str_term());
+                        ident *id = gs.ts.pstate->new_ident(
+                            idname.str_term(), IDENT_FLAG_UNKNOWN
+                        );
                         if (id) {
                             switch (id->get_type()) {
                                 case ident_type::ALIAS:
diff --git a/src/cs_gen.hh b/src/cs_gen.hh
index 42d492d..bdab611 100644
--- a/src/cs_gen.hh
+++ b/src/cs_gen.hh
@@ -117,7 +117,7 @@ struct codegen_state {
     }
 
     void gen_ident(std::string_view word) {
-        gen_ident(ts.pstate->new_ident(word));
+        gen_ident(ts.pstate->new_ident(word, IDENT_FLAG_UNKNOWN));
     }
 
     void gen_value(
diff --git a/src/cs_state.cc b/src/cs_state.cc
index f3a4d40..a01e8c3 100644
--- a/src/cs_state.cc
+++ b/src/cs_state.cc
@@ -79,7 +79,7 @@ state::state(alloc_func func, void *data) {
         new_ident(static_cast<char const *>(buf), IDENT_FLAG_ARG);
     }
 
-    ident *id = new_ident("//dummy");
+    ident *id = new_ident("//dummy", IDENT_FLAG_UNKNOWN);
     if (id->get_index() != ID_IDX_DUMMY) {
         throw internal_error{"invalid dummy index"};
     }
diff --git a/src/cs_val.cc b/src/cs_val.cc
index 3f0fe3b..386b027 100644
--- a/src/cs_val.cc
+++ b/src/cs_val.cc
@@ -274,7 +274,7 @@ ident *any_value::force_ident(state &cs) {
         default:
             break;
     }
-    auto *id = cs.new_ident(get_str());
+    auto *id = cs.new_ident(get_str(), IDENT_FLAG_UNKNOWN);
     set_ident(id);
     return id;
 }
diff --git a/src/cs_vm.cc b/src/cs_vm.cc
index 8abd830..2c57bfe 100644
--- a/src/cs_vm.cc
+++ b/src/cs_vm.cc
@@ -729,7 +729,7 @@ std::uint32_t *vm_exec(
                 any_value &arg = args.back();
                 ident *id = ts.istate->identmap[ID_IDX_DUMMY];
                 if (arg.get_type() == value_type::STRING) {
-                    id = cs.new_ident(arg.get_str());
+                    id = cs.new_ident(arg.get_str(), IDENT_FLAG_UNKNOWN);
                 }
                 if (
                     (id->get_flags() & IDENT_FLAG_ARG) &&