diff --git a/src/properties/stringlistproperty.cpp b/src/properties/stringlistproperty.cpp
index ef137f585f..168298a8f4 100644
--- a/src/properties/stringlistproperty.cpp
+++ b/src/properties/stringlistproperty.cpp
@@ -61,6 +61,7 @@ bool toLuaConversion(lua_State* state, std::vector<std::string> val) {
         lua_pushstring(state, std::to_string(i).c_str());
         lua_pushstring(state, v.c_str());
         lua_settable(state, -3);
+        ++i;
     }
 
     return true;