diff --git a/src/kernel/config.h b/src/kernel/config.h
index caffedb9e..4ca76871c 100644
--- a/src/kernel/config.h
+++ b/src/kernel/config.h
@@ -85,7 +85,6 @@ extern "C" {
      * von struct unitname, etc. zurückgegeben werden. ohne die 0 */
 
 #define BAGCAPACITY         20000   /* soviel paßt in einen Bag of Holding */
-#define STRENGTHMULTIPLIER  50   /* multiplier for trollbelt */
 
     /* ----------------- Befehle ----------------------------------- */
 
diff --git a/src/move.c b/src/move.c
index 4468060ae..27483d5d4 100644
--- a/src/move.c
+++ b/src/move.c
@@ -314,8 +314,11 @@ int walkingcapacity(const struct unit *u)
         }
     }
     if (rbelt) {
-        int tmp = i_get(u->items, rbelt->itype);
-        n += _min(people, tmp) * (STRENGTHMULTIPLIER - 1) * u_race(u)->capacity;
+        int belts = i_get(u->items, rbelt->itype);
+        if (belts) {
+            int multi = get_param_flt(global.parameters, "rules.trollbelt.multiplier", STRENGTHMULTIPLIER);
+            n += _min(people, belts) * (multi - 1) * u_race(u)->capacity;
+        }
     }
 
     return n;
diff --git a/src/move.h b/src/move.h
index 5a8b0e9f0..11e6b3954 100644
--- a/src/move.h
+++ b/src/move.h
@@ -40,6 +40,7 @@ extern "C" {
 #define MV_WALK           (1<<9)        /* kann über Land gehen */
 
 #define HORSESNEEDED    2
+#define STRENGTHMULTIPLIER  50   /* multiplier for trollbelt */
 
     /* ein mensch wiegt 10, traegt also 5, ein pferd wiegt 50, traegt also 20. ein
     ** wagen wird von zwei pferden gezogen und traegt total 140, davon 40 die
diff --git a/src/move.test.c b/src/move.test.c
index dbb82e571..4e2b5f41e 100644
--- a/src/move.test.c
+++ b/src/move.test.c
@@ -2,18 +2,22 @@
 #include <stdlib.h>
 #include "move.h"
 
+#include <kernel/config.h>
 #include <kernel/ally.h>
 #include <kernel/building.h>
 #include <kernel/faction.h>
 #include <kernel/region.h>
 #include <kernel/ship.h>
 #include <kernel/terrain.h>
+#include <kernel/item.h>
 #include <kernel/unit.h>
+#include <kernel/race.h>
 
 #include <util/language.h>
 
 #include <CuTest.h>
 #include <tests.h>
+#include <assert.h>
 
 static void test_ship_not_allowed_in_coast(CuTest * tc)
 {
@@ -167,9 +171,54 @@ static void test_building_type_exists(CuTest * tc)
     CuAssertTrue(tc, !buildingtype_exists(r, btype2, false));
 }
 
+static void test_walkingcapacity(CuTest *tc) {
+    region *r;
+    unit *u;
+    int cap;
+    const struct item_type *itype;
+
+    test_cleanup();
+    test_create_world();
+
+    r = findregion(0, 0);
+    u = test_create_unit(test_create_faction(0), r);
+    cap = u->number * (u->_race->capacity + u->_race->weight);
+    CuAssertIntEquals(tc, cap, walkingcapacity(u));
+    scale_number(u, 2);
+    cap = u->number * (u->_race->capacity + u->_race->weight);
+    CuAssertIntEquals(tc, cap, walkingcapacity(u));
+
+    itype = it_find("horse");
+    assert(itype);
+    i_change(&u->items, itype, 1);
+    cap += itype->capacity;
+    CuAssertIntEquals(tc, cap, walkingcapacity(u));
+    i_change(&u->items, itype, 1);
+    cap += itype->capacity;
+    CuAssertIntEquals(tc, cap, walkingcapacity(u));
+
+    itype = it_find("cart");
+    assert(itype);
+    i_change(&u->items, itype, 1);
+    CuAssertIntEquals(tc, cap, walkingcapacity(u));
+    set_level(u, SK_RIDING, 1);
+    cap += itype->capacity;
+    CuAssertIntEquals(tc, cap, walkingcapacity(u));
+
+    itype = test_create_itemtype("trollbelt");
+    assert(itype);
+    i_change(&u->items, itype, 1);
+    CuAssertIntEquals(tc, cap + (STRENGTHMULTIPLIER-1) * u->_race->capacity, walkingcapacity(u));
+    set_param(&global.parameters, "rules.trollbelt.multiplier", "5");
+    CuAssertIntEquals(tc, cap + 4 * u->_race->capacity, walkingcapacity(u));
+
+    test_cleanup();
+}
+
 CuSuite *get_move_suite(void)
 {
     CuSuite *suite = CuSuiteNew();
+    SUITE_ADD_TEST(suite, test_walkingcapacity);
     SUITE_ADD_TEST(suite, test_building_type_exists);
     SUITE_ADD_TEST(suite, test_ship_not_allowed_in_coast);
     SUITE_ADD_TEST(suite, test_ship_allowed_without_harbormaster);
diff --git a/src/tests.c b/src/tests.c
index 07dcef979..ed554915b 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -175,6 +175,11 @@ void test_create_world(void)
     itype->weight = 5000;
     itype->capacity = 7000;
 
+    itype = test_create_itemtype("cart");
+    itype->flags |= ITF_BIG | ITF_VEHICLE;
+    itype->weight = 4000;
+    itype->capacity = 14000;
+
     test_create_itemtype("iron");
     test_create_itemtype("stone");