diff --git a/.gitignore b/.gitignore
index 2e94319..9c67af3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+*.o
 *.lo
 *.la
 .*.swp
diff --git a/lua.c b/lua.c
index c532e52..0a75b7f 100755
--- a/lua.c
+++ b/lua.c
@@ -321,15 +321,18 @@ zval *php_lua_get_zval_from_lua(lua_State *L, int index, zval *lua_obj, zval *rv
 			break;
 		case LUA_TTABLE:
 			array_init(rv);
-			lua_pushnil(L);  /* first key */
-			while (lua_next(L, index-1) != 0) {
+			lua_pushvalue(L, index);  // table
+			lua_pushnil(L);  // first key
+			while (lua_next(L, -2) != 0) {
 				zval key, val;
 
-				/* uses 'key' (at index -2) and 'value' (at index -1) */
-				if (!php_lua_get_zval_from_lua(L, -2, lua_obj, &key)) {
+				lua_pushvalue(L, -2);
+
+				/* uses 'key' (at index -1) and 'value' (at index -2) */
+				if (!php_lua_get_zval_from_lua(L, -1, lua_obj, &key)) {
 					break;
 				}
-				if (!php_lua_get_zval_from_lua(L, -1, lua_obj, &val)) {
+				if (!php_lua_get_zval_from_lua(L, -2, lua_obj, &val)) {
 					zval_ptr_dtor(&key);
 					/* there is a warning already in php_lua_get_zval_from_lua */
 					break;
@@ -349,17 +352,13 @@ zval *php_lua_get_zval_from_lua(lua_State *L, int index, zval *lua_obj, zval *rv
 					default:
 						break;
 				}
-				lua_pop(L, 1);
+				lua_pop(L, 2);
 			}
+			lua_pop(L, 1);
 			break;
 		case LUA_TFUNCTION:
 			{
 				long ref_id = 0;
-				if (!lua_obj) {
-					php_error_docref(NULL, E_WARNING, "corrupted Lua object");
-					break;
-				}
-
 				lua_pushvalue(L, index);
 				ref_id = luaL_ref(L, LUA_REGISTRYINDEX);
 
diff --git a/lua_closure.c b/lua_closure.c
index b9789e2..50ef039 100644
--- a/lua_closure.c
+++ b/lua_closure.c
@@ -53,7 +53,9 @@ zval* php_lua_closure_instance(zval *instance, long ref_id, zval *lua_obj) {
 	object_init_ex(instance, lua_closure_ce);
 	objval = php_lua_closure_object_from_zend_object(Z_OBJ_P(instance));
 	objval->closure = ref_id;
-	ZVAL_ZVAL(&(objval->lua), lua_obj, 1, 0);
+	if (lua_obj) {
+		ZVAL_ZVAL(&(objval->lua), lua_obj, 1, 0);
+	}
 
 	return instance;
 }
@@ -75,7 +77,7 @@ PHP_METHOD(lua_closure, invoke) {
 	zval rv;
 
 	if (ZEND_NUM_ARGS()) {
-		arguments = emalloc(sizeof(zval*) * ZEND_NUM_ARGS());
+		arguments = emalloc(sizeof(zval) * ZEND_NUM_ARGS());
 		if (zend_get_parameters_array_ex(ZEND_NUM_ARGS(), arguments) == FAILURE) {
 			efree(arguments);
 			zend_throw_exception_ex(NULL, 0, "cannot get arguments for calling closure");
diff --git a/tests/issue040.phpt b/tests/issue040.phpt
new file mode 100644
index 0000000..e2f4738
--- /dev/null
+++ b/tests/issue040.phpt
@@ -0,0 +1,19 @@
+--TEST--
+ISSUE #040 (segmentation fault)
+--SKIPIF--
+<?php
+if (!extension_loaded("lua")) print "skip lua extension missing";
+?>
+--FILE--
+<?php
+$lua = new Lua();
+$lua->eval(<<<CODE
+local a = {}
+print(a)
+CODE
+);
+?>
+--EXPECT--
+Array
+ (
+ )
diff --git a/tests/print.phpt b/tests/print.phpt
new file mode 100644
index 0000000..600fb31
Binary files /dev/null and b/tests/print.phpt differ
diff --git a/tests/print_tables-1.phpt b/tests/print_tables-1.phpt
new file mode 100644
index 0000000..2795f70
--- /dev/null
+++ b/tests/print_tables-1.phpt
@@ -0,0 +1,28 @@
+--TEST--
+print with tables - 1
+--SKIPIF--
+<?php
+if (!extension_loaded("lua")) print "skip lua extension missing";
+?>
+--FILE--
+<?php
+$lua = new Lua();
+$lua->eval(<<<CODE
+local people = {
+   {
+      phone = "123456"
+   },
+}
+print(people)
+CODE
+);
+?>
+--EXPECT--
+Array
+ (
+     [1] => Array
+         (
+             [phone] => 123456
+         )
+
+ )
diff --git a/tests/print_tables-2.phpt b/tests/print_tables-2.phpt
new file mode 100644
index 0000000..a0e1b6c
--- /dev/null
+++ b/tests/print_tables-2.phpt
@@ -0,0 +1,22 @@
+--TEST--
+print with tables - 2
+--SKIPIF--
+<?php
+if (!extension_loaded("lua")) print "skip lua extension missing";
+?>
+--FILE--
+<?php
+$lua = new Lua();
+$lua->eval(<<<CODE
+local a = {
+  LEFT   = 1,
+}
+print(a)
+CODE
+);
+?>
+--EXPECT--
+Array
+ (
+     [LEFT] => 1
+ )