diff --git a/res/core/messages.xml b/res/core/messages.xml
index 22a8ea841..4e78fc094 100644
--- a/res/core/messages.xml
+++ b/res/core/messages.xml
@@ -392,13 +392,20 @@
   </message>
   <message name="curseinfo::magicresistance" section="events">
     <type>
-      <arg name="building" type="building"/>
       <arg name="unit" type="unit"/>
       <arg name="id" type="int"/>
     </type>
     <text locale="de">"Die natürliche Widerstandskraft gegen Verzauberung ist gestärkt. ($int36($id))"</text>
     <text locale="en">"The magical resistance has been strengthened. ($int36($id))"</text>
   </message>
+  <message name="curseinfo::homestone" section="events">
+    <type>
+      <arg name="building" type="building"/>
+      <arg name="id" type="int"/>
+    </type>
+    <text locale="de">"Die natürliche Widerstandskraft gegen Verzauberung ist gestärkt. ($int36($id))"</text>
+    <text locale="en">"The magical resistance has been strengthened. ($int36($id))"</text>
+  </message>
   <message name="curseinfo::goodmagicresistancezone" section="events">
     <type>
       <arg name="id" type="int"/>
@@ -415,6 +422,7 @@
   </message>
   <message name="curseinfo::magicwalls" section="events">
     <type>
+      <arg name="building" type="building"/>
       <arg name="id" type="int"/>
     </type>
     <text locale="de">"Diese Mauern wirken, als wären sie direkt aus der Erde gewachsen und nicht erbaut. ($int36($id))"</text>
@@ -422,6 +430,7 @@
   </message>
   <message name="curseinfo::buildingunknown" section="events">
     <type>
+      <arg name="building" type="building"/>
       <arg name="id" type="int"/>
     </type>
     <text locale="de">"Ein magischer Schimmer liegt auf diesen Mauern. ($int36($id))"</text>
@@ -542,6 +551,7 @@
   <message name="curseinfo::nocostbuilding" section="events">
     <type>
       <arg name="id" type="int"/>
+      <arg name="building" type="building"/>
     </type>
     <text locale="de">"Der Zahn der Zeit kann diesen Mauern nichts anhaben. ($int36($id))"</text>
     <text locale="en">"Time cannot touch these walls. ($int36($id))"</text>
diff --git a/src/kernel/messages.c b/src/kernel/messages.c
index af0e4170b..cd5719c42 100644
--- a/src/kernel/messages.c
+++ b/src/kernel/messages.c
@@ -188,7 +188,6 @@ message *msg_message(const char *name, const char *sig, ...)
         }
         else {
             log_error("invalid parameter %s for message type %s\n", paramname, mtype->name);
-            assert(!"program aborted.");
         }
         while (*ic && !isalnum(*ic))
             ic++;
@@ -196,7 +195,6 @@ message *msg_message(const char *name, const char *sig, ...)
     va_end(vargs);
     if (argnum !=  mtype->nparameters) {
         log_error("not enough parameters for message type %s\n", mtype->name);
-        assert(!"program aborted.");
     }
 
     return msg_create(mtype, args);
diff --git a/src/spells/buildingcurse.c b/src/spells/buildingcurse.c
index ae2f941bb..d3b5ddf36 100644
--- a/src/spells/buildingcurse.c
+++ b/src/spells/buildingcurse.c
@@ -36,14 +36,13 @@
 message *cinfo_building(const void *obj, objtype_t typ, const curse * c,
     int self)
 {
+    const building *b = (const building *)obj;
     unused_arg(typ);
     assert(typ == TYP_BUILDING);
+    assert(obj);
+    assert(c);
 
-    if (self != 0) {              /* owner or inside */
-        building *b = (building *)obj;
-        return msg_message(mkname("curseinfo", c->type->cname), "id building", c->no, b);
-    }
-    return msg_message(mkname("curseinfo", "buildingunknown"), "id", c->no);
+    return msg_message(mkname("curseinfo", self ? c->type->cname : "buildingunknown"), "id building", c->no, b);
 }
 
 /* CurseInfo mit Spezialabfragen */
diff --git a/src/spells/magicresistance.c b/src/spells/magicresistance.c
index 3ec15011c..0a4ffaa9f 100644
--- a/src/spells/magicresistance.c
+++ b/src/spells/magicresistance.c
@@ -1,16 +1,22 @@
 #include <platform.h>
 #include <kernel/config.h>
-#include "unitcurse.h"
-#include "buildingcurse.h"
 #include <kernel/curse.h>
+#include <kernel/messages.h>
+#include <util/language.h>
 
 static struct message *cinfo_magicresistance(const void *obj, objtype_t typ, const struct curse * c, int self)
 {
     if (typ == TYP_UNIT) {
-        return cinfo_unit(obj, typ, c, self);
+        if (self != 0) {
+            const struct unit *u = (const struct unit *)obj;
+            return msg_message(mkname("curseinfo", c->type->cname), "unit id", u,
+                c->no);
+        }
+        return NULL;
     }
     if (typ == TYP_BUILDING) {
-        return cinfo_building(obj, typ, c, self);
+        const struct building *b = (const struct building *)obj;
+        return msg_message(mkname("curseinfo", self ? "homestone" : "buildingunknown"), "id building", c->no, b);
     }
     return 0;
 }
diff --git a/src/spells/magicresistance.test.c b/src/spells/magicresistance.test.c
index bd2d4b69b..1a63fb737 100644
--- a/src/spells/magicresistance.test.c
+++ b/src/spells/magicresistance.test.c
@@ -1,11 +1,13 @@
 #include <platform.h>
 #include <kernel/config.h>
 #include <kernel/curse.h>
+#include <kernel/building.h>
 #include <kernel/faction.h>
 #include <kernel/order.h>
 #include <kernel/region.h>
 #include <kernel/spell.h>
 #include <kernel/unit.h>
+#include <util/message.h>
 #include <util/language.h>
 #include <util/attrib.h>
 #include <spells/regioncurse.h>
@@ -29,11 +31,11 @@ static struct castorder *test_create_castorder(castorder *order, unit *u, const
     return order = create_castorder(order, u, NULL, sp, u->region, level, force, range, create_order(K_CAST, lang, ""), NULL);
 }
 
-static void test_magicresistance(CuTest *tc) {
+static void test_magicresistance_unit(CuTest *tc) {
     struct region *r;
     struct faction *f1, *f2;
     unit *u1, *u2;
-    int level;
+    message *msg;
     curse *c;
 
     test_cleanup();
@@ -45,12 +47,47 @@ static void test_magicresistance(CuTest *tc) {
     f2 = test_create_faction(test_create_race("human"));
     u2 = test_create_unit(f2, r);
 
+    c = create_curse(u1, &u2->attribs, ct_find("magicresistance"), 10, 20, 30, u2->number);
+    CuAssertPtrNotNull(tc, u2->attribs);
+    CuAssertPtrEquals(tc, (void *)&at_curse, (void *)u2->attribs->type);
+    msg = c->type->curseinfo(u2, TYP_UNIT, c, 1);
+    CuAssertPtrNotNull(tc, msg);
+    CuAssertStrEquals(tc, "curseinfo::magicresistance", test_get_messagetype(msg));
+
+    test_cleanup();
+}
+
+static void test_magicresistance_building(CuTest *tc) {
+    struct region *r;
+    struct faction *f1, *f2;
+    unit *u1;
+    building *b1;
+    message *msg;
+    curse *c;
+
+    test_cleanup();
+    test_create_world();
+    r = findregion(0, 0);
+    f1 = test_create_faction(test_create_race("human"));
+    u1 = test_create_unit(f1, r);
+
+    f2 = test_create_faction(test_create_race("human"));
+    b1 = test_create_building(r, test_create_buildingtype("castle"));
+
+    c = create_curse(u1, &b1->attribs, ct_find("magicresistance"), 10, 20, 30, 0);
+    CuAssertPtrNotNull(tc, b1->attribs);
+    CuAssertPtrEquals(tc, (void *)&at_curse, (void *)b1->attribs->type);
+    msg = c->type->curseinfo(b1, TYP_BUILDING, c, 1);
+    CuAssertPtrNotNull(tc, msg);
+    CuAssertStrEquals(tc, "curseinfo::homestone", test_get_messagetype(msg));
+
     test_cleanup();
 }
 
 CuSuite *get_magicresistance_suite(void)
 {
     CuSuite *suite = CuSuiteNew();
-    SUITE_ADD_TEST(suite, test_magicresistance);
+    SUITE_ADD_TEST(suite, test_magicresistance_unit);
+    SUITE_ADD_TEST(suite, test_magicresistance_building);
     return suite;
 }
diff --git a/src/spells/unitcurse.c b/src/spells/unitcurse.c
index 7e3f5e18e..73925a55a 100644
--- a/src/spells/unitcurse.c
+++ b/src/spells/unitcurse.c
@@ -159,6 +159,7 @@ message *cinfo_unit(const void *obj, objtype_t typ, const curse * c, int self)
 {
     unused_arg(typ);
     assert(typ == TYP_UNIT);
+    assert(obj);
 
     if (self != 0) {
         unit *u = (unit *)obj;
diff --git a/src/test_eressea.c b/src/test_eressea.c
index baa70ae2c..b5a2e2a42 100644
--- a/src/test_eressea.c
+++ b/src/test_eressea.c
@@ -74,6 +74,7 @@ int RunAllTests(void)
   RUN_TESTS(suite, building);
   RUN_TESTS(suite, spell);
   RUN_TESTS(suite, spells);
+  RUN_TESTS(suite, magicresistance);
   RUN_TESTS(suite, ally);
   RUN_TESTS(suite, messages);
   /* gamecode */