diff --git a/scripts/tests/e2/spells.lua b/scripts/tests/e2/spells.lua
index de2386113..9cdc28b96 100644
--- a/scripts/tests/e2/spells.lua
+++ b/scripts/tests/e2/spells.lua
@@ -14,6 +14,29 @@ function setup()
     eressea.settings.set("magic.regeneration.enable", "0")
 end
 
+function test_undead_cannot_enter_holyground()
+    local r1 = region.create(0, 0, 'plain')
+    local r2 = region.create(1, 0, 'plain')
+    local f = faction.create('human')
+    local u1 = unit.create(f, r1, 1)
+    local u2 = unit.create(f, r2, 1)
+
+    u2.name = "Xolgrim's Magier"
+    u1.name = "Xolgrim's Opfer"
+
+    u2.magic = 'gwyrrd'
+    u2:set_skill('magic', 100)
+    u2.aura = 200
+    u2:add_spell('holyground')
+    u2:add_order('ZAUBERE STUFE 10 "Heiliger Boden"')
+
+    u1.race = "skeleton"
+    u1:add_order("NACH Osten")
+    process_orders()
+    assert_not_nil(r2:get_curse('holyground'))
+    assert_equal(r1, u1.region)
+end
+
 function test_shapeshift()
     local r = region.create(42, 0, "plain")
     local f = faction.create("demon", "noreply@eressea.de", "de")
diff --git a/src/bind_monsters.c b/src/bind_monsters.c
index f9aef4a2a..2acacfaa3 100644
--- a/src/bind_monsters.c
+++ b/src/bind_monsters.c
@@ -28,9 +28,6 @@ static int tolua_levitate_ship(lua_State * L)
     return 1;
 }
 
-extern void spawn_undead(void);
-extern void plan_monsters(struct faction *f);
-
 static int tolua_planmonsters(lua_State * L)
 {
     faction *f = (faction *)tolua_tousertype(L, 1, get_monsters());
diff --git a/src/laws.c b/src/laws.c
index 10975c6a7..4170975b5 100644
--- a/src/laws.c
+++ b/src/laws.c
@@ -3712,8 +3712,9 @@ void process(void)
 
         log_debug("- Step %u", prio);
         while (proc && proc->priority == prio) {
-            if (proc->name)
+            if (proc->name) {
                 log_debug(" - %s", proc->name);
+            }
             proc = proc->next;
         }
 
@@ -3721,8 +3722,9 @@ void process(void)
             pglobal->data.global.process();
             pglobal = pglobal->next;
         }
-        if (pglobal == NULL || pglobal->priority != prio)
+        if (pglobal == NULL || pglobal->priority != prio) {
             continue;
+        }
 
         for (r = regions; r; r = r->next) {
             unit *u;
@@ -3733,8 +3735,9 @@ void process(void)
                 pregion->data.per_region.process(r);
                 pregion = pregion->next;
             }
-            if (pregion == NULL || pregion->priority != prio)
+            if (pregion == NULL || pregion->priority != prio) {
                 continue;
+            }
 
             if (r->units) {
                 for (u = r->units; u; u = u->next) {
@@ -3744,14 +3747,16 @@ void process(void)
                         punit->data.per_unit.process(u);
                         punit = punit->next;
                     }
-                    if (punit == NULL || punit->priority != prio)
+                    if (punit == NULL || punit->priority != prio) {
                         continue;
+                    }
 
                     porder = punit;
                     while (porder && porder->priority == prio && porder->type == PR_ORDER) {
                         order **ordp = &u->orders;
-                        if (porder->flags & PROC_THISORDER)
+                        if (porder->flags & PROC_THISORDER) {
                             ordp = &u->thisorder;
+                        }
                         while (*ordp) {
                             order *ord = *ordp;
                             if (getkeyword(ord) == porder->data.per_order.kword) {
@@ -3780,8 +3785,9 @@ void process(void)
                                     }
                                 }
                             }
-                            if (!ord || *ordp == ord)
+                            if (!ord || *ordp == ord) {
                                 ordp = &(*ordp)->next;
+                            }
                         }
                         porder = porder->next;
                     }
@@ -3798,9 +3804,9 @@ void process(void)
                 pregion->data.per_region.process(r);
                 pregion = pregion->next;
             }
-            if (pregion == NULL || pregion->priority != prio)
+            if (pregion == NULL || pregion->priority != prio) {
                 continue;
-
+            }
         }
     }
 
diff --git a/src/monsters.h b/src/monsters.h
index 81f7e39a3..99d60a3fb 100644
--- a/src/monsters.h
+++ b/src/monsters.h
@@ -21,6 +21,10 @@ extern "C" {
     bool monster_is_waiting(const struct unit *u);
     void make_zombie(struct unit * u);
 
+    void spawn_undead(void);
+    void plan_monsters(struct faction *f);
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/move.c b/src/move.c
index d33987d54..5d5513cd3 100644
--- a/src/move.c
+++ b/src/move.c
@@ -974,10 +974,17 @@ bool move_blocked(const unit * u, const region * r, const region * r2)
     }
 
     if (r->attribs) {
-        const curse_type *fogtrap_ct = &ct_fogtrap;
-        curse *c = get_curse(r->attribs, fogtrap_ct);
+        curse *c = get_curse(r->attribs, &ct_fogtrap);
+        if (curse_active(c)) {
+            return true;
+        }
+    }
+
+    if (r2->attribs && fval(u_race(u), RCF_UNDEAD)) {
+        curse *c = get_curse(r2->attribs, &ct_holyground);
         return curse_active(c);
     }
+
     return false;
 }