diff --git a/src/client/luavaluecasts.cpp b/src/client/luavaluecasts.cpp
index bf4a4874..42103568 100644
--- a/src/client/luavaluecasts.cpp
+++ b/src/client/luavaluecasts.cpp
@@ -25,7 +25,7 @@
 
 int push_luavalue(const Outfit& outfit)
 {
-    g_lua.newTable();
+    g_lua.createTable(0, 8);
     g_lua.pushInteger(outfit.getId());
     g_lua.setField("type");
     g_lua.pushInteger(outfit.getAuxId());
@@ -80,7 +80,7 @@ bool luavalue_cast(int index, Outfit& outfit)
 int push_luavalue(const Position& pos)
 {
     if(pos.isValid()) {
-        g_lua.newTable();
+        g_lua.createTable(0, 3);
         g_lua.pushInteger(pos.x);
         g_lua.setField("x");
         g_lua.pushInteger(pos.y);
@@ -108,7 +108,7 @@ bool luavalue_cast(int index, Position& pos)
 
 int push_luavalue(const MarketData& data)
 {
-    g_lua.newTable();
+    g_lua.createTable(0, 6);
     g_lua.pushInteger(data.category);
     g_lua.setField("category");
     g_lua.pushString(data.name);
diff --git a/src/framework/luaengine/luavaluecasts.h b/src/framework/luaengine/luavaluecasts.h
index a8bfe74a..2b0b9b1b 100644
--- a/src/framework/luaengine/luavaluecasts.h
+++ b/src/framework/luaengine/luavaluecasts.h
@@ -287,7 +287,7 @@ luavalue_cast(int index, std::function<Ret(Args...)>& func) {
 
 template<typename T>
 int push_luavalue(const std::list<T>& list) {
-    g_lua.newTable();
+    g_lua.createTable(list.size(), 0);
     int i = 1;
     for(const T& v : list) {
         push_internal_luavalue(v);
@@ -315,7 +315,7 @@ bool luavalue_cast(int index, std::list<T>& list)
 
 template<typename T>
 int push_luavalue(const std::vector<T>& vec) {
-    g_lua.newTable();
+    g_lua.createTable(vec.size(), 0);
     int i = 1;
     for(const T& v : vec) {
         push_internal_luavalue(v);
@@ -343,7 +343,7 @@ bool luavalue_cast(int index, std::vector<T>& vec)
 
 template<typename T>
 int push_luavalue(const std::deque<T>& vec) {
-    g_lua.newTable();
+    g_lua.createTable(vec.size(), 0);
     int i = 1;
     for(const T& v : vec) {
         push_internal_luavalue(v);