diff --git a/src/economy.c b/src/economy.c
index 70b48e9ce..ab1875eed 100644
--- a/src/economy.c
+++ b/src/economy.c
@@ -1036,6 +1036,8 @@ static void allocate_resource(unit * u, const resource_type * rtype, int want)
 static int required(int want, variant save)
 {
     int req = (int)(want * save.sa[0] / save.sa[1]);
+    int r = want * save.sa[0] % save.sa[1];
+    if (r>0) ++req;
     return req;
 }
 
diff --git a/src/economy.test.c b/src/economy.test.c
index d9f9b82e8..fdc218844 100644
--- a/src/economy.test.c
+++ b/src/economy.test.c
@@ -405,6 +405,11 @@ static void test_make_item(CuTest *tc) {
     CuAssertIntEquals(tc, 21, get_item(u, itype));
     CuAssertIntEquals(tc, 284, u->region->resources->amount); /* 60% saving = 6 stones make 10 stones */
 
+    make_item(u, itype, 1);
+    split_allocations(u->region);
+    CuAssertIntEquals(tc, 22, get_item(u, itype));
+    CuAssertIntEquals(tc, 283, u->region->resources->amount); /* no free lunches */
+
     rdata->modifiers[0].flags = RMF_REQUIREDBUILDING;
     rdata->modifiers[0].race = NULL;
     rdata->modifiers[0].btype = bt_get_or_create("mine");