diff --git a/scripts/tests/e2/insects.lua b/scripts/tests/e2/insects.lua
index bfd0a2065..1898e215c 100644
--- a/scripts/tests/e2/insects.lua
+++ b/scripts/tests/e2/insects.lua
@@ -12,19 +12,33 @@ end
 function test_move_to_glacier()
     local r = region.create(0, 0, "plain")
     local r2 = region.create(1, 0, "glacier")
-    local f = faction.create("insect", "insect@eressea.de", "de")
+    local f = faction.create("insect")
     local u = unit.create(f, r, 1)
 
     u:clear_orders()
     u:add_order("NACH OST")
     process_orders()
     assert_equal(r, u.region)
-end 
+end
 
-function test_sail_into_glacier()
+function test_sail_to_glacier()
     local r = region.create(0, 0, "ocean")
     local r2 = region.create(1, 0, "glacier")
-    local f = faction.create("insect", "insect@eressea.de", "de")
+    local f = faction.create("insect")
+    local u1 = unit.create(f, r, 1, 'insect')
+
+    u1.ship = ship.create(r, 'boat')
+    u1:set_skill("sailing", 10)
+    u1:clear_orders()
+    u1:add_order("NACH OST")
+    process_orders()
+    assert_equal(r, u1.region)
+end 
+
+function test_passenger_into_glacier()
+    local r = region.create(0, 0, "ocean")
+    local r2 = region.create(1, 0, "glacier")
+    local f = faction.create("insect")
     local u1 = unit.create(f, r, 1, 'human')
     local u2 = unit.create(f, r, 1, 'insect')
 
@@ -39,7 +53,7 @@ end
 
 function test_recruit_in_winter()
     local r = region.create(0, 0, "plain")
-    local f = faction.create("insect", "insect@eressea.de", "de")
+    local f = faction.create("insect")
     local u = unit.create(f, r, 1)
 
     u:add_item('money', 1000)
@@ -60,7 +74,7 @@ end
 
 function test_recruit_in_desert()
     local r = region.create(0, 0, "desert")
-    local f = faction.create("insect", "insect@eressea.de", "de")
+    local f = faction.create("insect")
     local u = unit.create(f, r, 1)
 
     u:add_item('money', 1000)
diff --git a/src/move.c b/src/move.c
index 1502f6243..99585ad09 100644
--- a/src/move.c
+++ b/src/move.c
@@ -677,6 +677,15 @@ int check_ship_allowed(struct ship *sh, const region * r)
     int c = 0;
     const building_type *bt_harbour = bt_find("harbour");
 
+    if (sh->region && r_insectstalled(r)) {
+        /* insekten dürfen nicht hier rein. haben wir welche? */
+        unit *u = ship_owner(sh);
+
+        if (is_freezing(u)) {
+            return SA_NO_INSECT;
+        }
+    }
+
     if (bt_harbour && buildingtype_exists(r, bt_harbour, true)) {
         unit* harbourmaster = NULL;
         harbourmaster = owner_buildingtyp(r, bt_harbour);
@@ -1837,7 +1846,10 @@ static void sail(unit * u, order * ord, region_list ** routep, bool drifting)
             reason = check_ship_allowed(sh, next_point);
             if (reason < 0) {
                 /* for some reason or another, we aren't allowed in there.. */
-                if (check_leuchtturm(current_point, NULL)) {
+                if (reason == SA_NO_INSECT) {
+                    ADDMSG(&f->msgs, msg_message("detectforbidden", "unit region", u, sh->region));
+                }
+                else if (check_leuchtturm(current_point, NULL)) {
                     ADDMSG(&f->msgs, msg_message("sailnolandingstorm", "ship region", sh, next_point));
                 }
                 else {
diff --git a/src/move.h b/src/move.h
index d3a5d1e0d..535c76bb2 100644
--- a/src/move.h
+++ b/src/move.h
@@ -90,7 +90,8 @@ extern "C" {
 
 #define SA_HARBOUR 1
 #define SA_COAST 0
-#define SA_NO_COAST -1
+#define SA_NO_INSECT -1
+#define SA_NO_COAST -2
 
     int check_ship_allowed(struct ship *sh, const struct region * r);
     direction_t drift_target(struct ship *sh);