diff --git a/lib/libesp32/berry/src/be_bytecode.c b/lib/libesp32/berry/src/be_bytecode.c
index 90ff79c6f..8cea36022 100644
--- a/lib/libesp32/berry/src/be_bytecode.c
+++ b/lib/libesp32/berry/src/be_bytecode.c
@@ -492,7 +492,7 @@ static void load_constant(bvm *vm, void *fp, bproto *proto, int version)
     }
 }
 
-static void load_proto_table(bvm *vm, void *fp, bproto *proto, int version)
+static void load_proto_table(bvm *vm, void *fp, bproto *proto, int info, int version)
 {
     int size = (int)load_long(fp); /* proto count */
     if (size) {
@@ -501,7 +501,7 @@ static void load_proto_table(bvm *vm, void *fp, bproto *proto, int version)
         proto->ptab = p;
         proto->nproto = size;
         while (size--) {
-            load_proto(vm, fp, p++, -1, version);
+            load_proto(vm, fp, p++, info, version);
         }
     }
 }
@@ -538,7 +538,7 @@ static bbool load_proto(bvm *vm, void *fp, bproto **proto, int info, int version
         }
         load_bytecode(vm, fp, *proto, info);
         load_constant(vm, fp, *proto, version);
-        load_proto_table(vm, fp, *proto, version);
+        load_proto_table(vm, fp, *proto, info, version);
         load_upvals(vm, fp, *proto);
         return btrue;
     }
diff --git a/lib/libesp32/berry/src/be_var.c b/lib/libesp32/berry/src/be_var.c
index 9960e7cc3..1a8e5b18c 100644
--- a/lib/libesp32/berry/src/be_var.c
+++ b/lib/libesp32/berry/src/be_var.c
@@ -12,6 +12,7 @@
 #include "be_map.h"
 #include "be_gc.h"
 #include "be_class.h"
+#include <string.h>
 
 #define global(vm)      ((vm)->gbldesc.global)
 #define builtin(vm)     ((vm)->gbldesc.builtin)