diff --git a/lib/libesp32/Berry/src/be_lexer.c b/lib/libesp32/Berry/src/be_lexer.c
index eea82109d..af987113d 100644
--- a/lib/libesp32/Berry/src/be_lexer.c
+++ b/lib/libesp32/Berry/src/be_lexer.c
@@ -572,7 +572,6 @@ void be_lexer_deinit(blexer *lexer)
 {
     be_free(lexer->vm, lexer->buf.s, lexer->buf.size);
     keyword_unregiste(lexer->vm);
-    be_stackpop(lexer->vm, 1); /* pop strtab */
 }
 
 int be_lexer_scan_next(blexer *lexer)
diff --git a/lib/libesp32/Berry/src/be_parser.c b/lib/libesp32/Berry/src/be_parser.c
index 1839e9392..62df59b85 100644
--- a/lib/libesp32/Berry/src/be_parser.c
+++ b/lib/libesp32/Berry/src/be_parser.c
@@ -1520,7 +1520,7 @@ bclosure* be_parser_source(bvm *vm,
     mainfunc(&parser, cl);
     be_lexer_deinit(&parser.lexer);
     be_global_release_space(vm); /* clear global space */
-    be_stackpop(vm, 1);
+    be_stackpop(vm, 2); /* pop strtab */
     scan_next_token(&parser); /* clear lexer */
     return cl;
 }