diff --git a/lib/libesp32/berry/src/be_constobj.h b/lib/libesp32/berry/src/be_constobj.h
index 708cce03d..96ac1b794 100644
--- a/lib/libesp32/berry/src/be_constobj.h
+++ b/lib/libesp32/berry/src/be_constobj.h
@@ -33,6 +33,12 @@ extern "C" {
     .next = (uint32_t)(_next) & 0xFFFFFF                        \
 }
 
+#define be_const_key_int(_i, _next) {                           \
+    .v.i = _i,                                                  \
+    .type = BE_INT,                                             \
+    .next = (uint32_t)(_next) & 0xFFFFFF                        \
+}
+
 #define be_const_func(_func) {                                  \
     .v.nf = (_func),                                            \
     .type = BE_NTVFUNC                                          \
@@ -249,6 +255,12 @@ const bntvmodule be_native_module(_module) = {                  \
         uint32_t((_next)&0xFFFFFF)                              \
 }
 
+#define be_const_key_int(_i, _next) {                           \
+    bvaldata(i),                                                \
+        BE_INT,                                                 \
+        uint32_t((_next)&0xFFFFFF)                              \
+}
+
 #define be_const_func(_func) {                                  \
     bvaldata(_func),                                            \
     BE_NTVFUNC                                                  \
diff --git a/lib/libesp32/berry/src/be_solidifylib.c b/lib/libesp32/berry/src/be_solidifylib.c
index 5a8937928..1f08389d6 100644
--- a/lib/libesp32/berry/src/be_solidifylib.c
+++ b/lib/libesp32/berry/src/be_solidifylib.c
@@ -109,22 +109,26 @@ static void m_solidify_map(bvm *vm, bmap * map, const char *class_name)
         if (node->key.type == BE_NIL) {
             continue;   /* key not used */
         }
-        if (node->key.type != BE_STRING) {
-            char error[64];
-            snprintf(error, sizeof(error), "Unsupported type in key: %i", node->key.type);
-            be_raise(vm, "internal_error", error);
-        }
         int key_next = node->key.next;
         if (0xFFFFFF == key_next) {
             key_next = -1;      /* more readable */
         }
-        /* convert the string literal to identifier */
-        const char * key = str(node->key.v.s);
-        size_t id_len = toidentifier_length(key);
-        char id_buf[id_len];
-        toidentifier(id_buf, key);
-        logfmt("        { be_const_key(%s, %i), ", id_buf, key_next);
-        m_solidify_bvalue(vm, &node->value, class_name, str(node->key.v.s));
+        if (node->key.type == BE_STRING) {
+            /* convert the string literal to identifier */
+            const char * key = str(node->key.v.s);
+            size_t id_len = toidentifier_length(key);
+            char id_buf[id_len];
+            toidentifier(id_buf, key);
+            logfmt("        { be_const_key(%s, %i), ", id_buf, key_next);
+            m_solidify_bvalue(vm, &node->value, class_name, str(node->key.v.s));
+        } else if (node->key.type == BE_INT) {
+            logfmt("        { be_const_key_int(%i, %i), ", node->key.v.i, key_next);
+            m_solidify_bvalue(vm, &node->value, class_name, NULL);
+        } else {
+            char error[64];
+            snprintf(error, sizeof(error), "Unsupported type in key: %i", node->key.type);
+            be_raise(vm, "internal_error", error);
+        }
 
         logfmt(" },\n");
     }
@@ -358,7 +362,8 @@ static void m_solidify_closure(bvm *vm, bclosure *cl, const char * classname, in
     const char * func_name = str(pr->name);
 
     if (cl->nupvals > 0) {
-        be_raise(vm, "internal_error", "Unsupported upvals in closure");
+        logfmt("--> Unsupported upvals in closure <---");
+        // be_raise(vm, "internal_error", "Unsupported upvals in closure");
     }
 
     int indent = 2;
diff --git a/lib/libesp32/berry/src/be_string.c b/lib/libesp32/berry/src/be_string.c
index 798437420..2ab0d1004 100644
--- a/lib/libesp32/berry/src/be_string.c
+++ b/lib/libesp32/berry/src/be_string.c
@@ -113,7 +113,7 @@ static void free_sstring(bvm *vm, bstring *str)
 static uint32_t str_hash(const char *str, size_t len)
 {
     uint32_t hash = 2166136261u;
-    be_assert(str || len);
+    be_assert(str || !len);
     while (len--) {
         hash = (hash ^ (unsigned char)*str++) * 16777619u;
     }
diff --git a/tasmota/xdrv_52_3_berry_tasmota.ino b/tasmota/xdrv_52_3_berry_tasmota.ino
index 9e306ca8f..6b9fd8842 100644
--- a/tasmota/xdrv_52_3_berry_tasmota.ino
+++ b/tasmota/xdrv_52_3_berry_tasmota.ino
@@ -92,6 +92,7 @@ extern "C" {
     int32_t top = be_top(vm); // Get the number of arguments
     if (top >= 2 && be_isstring(vm, 2)) {  // 1 mandatory string argument
       const char * payload = be_tostring(vm, 2);
+      be_pop(vm, top);    // clear the stack before calling, because of re-entrant call to Berry in a Rule
       bool handled = XdrvRulesProcess(0, payload);
       be_pushbool(vm, handled);
       be_return(vm); // Return