diff --git a/src/eressea/lua/building.cpp b/src/eressea/lua/building.cpp
index 878469829..534075ad4 100644
--- a/src/eressea/lua/building.cpp
+++ b/src/eressea/lua/building.cpp
@@ -56,7 +56,10 @@ lc_age(struct attrib * a)
   if (is_function(L, fname)) {
     try {
       if (fparam) {
-        retval = luabind::call_function<int>(L, fname, *b, fparam);
+#ifdef TUNNELS /* TODO: Why does this crash? */
+        std::string param(fparam);
+        retval = luabind::call_function<int>(L, fname, *b, param);
+#endif
       } else {
         retval = luabind::call_function<int>(L, fname, *b);
       }
diff --git a/src/res/hse4.xml b/src/res/hse4.xml
index f43fc081e..597f0c5a8 100644
--- a/src/res/hse4.xml
+++ b/src/res/hse4.xml
@@ -72,8 +72,7 @@
     <param name="globalreport" value="world"/>
     <param name="rules.check_overload" value="1"/>
   </game>
-  <xi:include href="eressea/de/strings.xml"/>
-  <xi:include href="eressea/en/strings.xml"/>
+  <xi:include href="eressea/strings.xml"/>
   <xi:include href="eressea/races.xml"/>
   <xi:include href="eressea/items-hse.xml"/>
   <xi:include href="eressea/dungeons.xml"/>