diff --git a/dat/mission.xml b/dat/mission.xml
index 8b8bbd7..5ee151e 100644
--- a/dat/mission.xml
+++ b/dat/mission.xml
@@ -31,9 +31,7 @@
   </mission>
   <mission name = "Empire Shipping">
     <lua>es_cargo</lua>
-    <req>
-      <flag>req_esd</flag>
-    </req>
+    <req>es_cargo</req>
     <avail>
       <chance>350</chance>
       <location>Computer</location>
diff --git a/src/misn_lua.c b/src/misn_lua.c
index 1ea012b..bc0f089 100644
--- a/src/misn_lua.c
+++ b/src/misn_lua.c
@@ -46,6 +46,8 @@ static int var_mstack = 0;
 static Mission* cur_mission = NULL;
 static int misn_delete = 0; // If 1 delete current mission.
 
+static void var_free(misn_var* var);
+
 // -- Libraries. --
 
 // Lephisto.
@@ -329,18 +331,7 @@ static int var_pop(lua_State* L) {
 
   for(i = 0; i < var_nstack; i++)
     if(strcmp(str, var_stack[i].name)==0) {
-      switch(var_stack[i].type) {
-        case MISN_VAR_STR:
-          if(var_stack[i].d.str != NULL) {
-            free(var_stack[i].d.str);
-            var_stack[i].d.str = NULL;
-          }
-          break;
-        case MISN_VAR_NIL:
-        case MISN_VAR_NUM:
-        case MISN_VAR_BOOL:
-          break;
-      }
+      var_free(&var_stack[i]);
       memmove(&var_stack[i], &var_stack[i+1], sizeof(misn_var)*(var_nstack-i-1));
       var_stack--;
       return 0;
@@ -408,6 +399,37 @@ static int var_push(lua_State* L) {
   return 0;
 }
 
+static void var_free(misn_var* var) {
+  switch(var->type) {
+    case MISN_VAR_STR:
+      if(var->d.str != NULL) {
+        free(var->d.str);
+        var->d.str = NULL;
+      }
+      break;
+    case MISN_VAR_NIL:
+    case MISN_VAR_NUM:
+    case MISN_VAR_BOOL:
+      break;
+  }
+  if(var->name != NULL) {
+    free(var->name);
+    var->name = NULL;
+  }
+}
+
+void var_cleanup(void) {
+  int i;
+  for(i = 0; i < var_nstack; i++)
+    var_free(&var_stack[i]);
+
+  if(var_stack != NULL) free(var_stack);
+  var_stack = NULL;
+  var_nstack = 0;
+  var_mstack = 0;
+}
+
+// -- Space. --
 static int space_getPlanet(lua_State* L) {
   int i;
   int *factions;
diff --git a/src/misn_lua.h b/src/misn_lua.h
index 812aa52..ce4283e 100644
--- a/src/misn_lua.h
+++ b/src/misn_lua.h
@@ -4,6 +4,7 @@
 
 // Check if a flag exists on the variable stack.
 int var_checkflag(char* str);
+void var_cleanup(void);
 
 // Load the libraries for a lua state.
 int misn_loadLibs(lua_State* L);
diff --git a/src/player.c b/src/player.c
index 78a1265..bc75f05 100644
--- a/src/player.c
+++ b/src/player.c
@@ -16,6 +16,7 @@
 #include "menu.h"
 #include "toolkit.h"
 #include "mission.h"
+#include "misn_lua.h"
 #include "player.h"
 
 #define XML_GUI_ID    "GUIs" // XML section identifier.
@@ -152,6 +153,9 @@ void player_new(void) {
   // Cleanup player stuff if we'll be re-creating.
   player_cleanup();
 
+  // Cleanup stacks.
+  var_cleanup();
+
   player_name = dialogue_input("Player Name", 3, 20,
                                "Please tell me your name:");
   player_newMake();