diff --git a/library/modules/Units.cpp b/library/modules/Units.cpp
index bdac27cda..ea7ed1cdc 100644
--- a/library/modules/Units.cpp
+++ b/library/modules/Units.cpp
@@ -818,26 +818,22 @@ bool Units::isCitizen(df::unit *unit)
     // except that the game appears to let melancholy/raving
     // dwarves count as citizens.
 
-    if (!isDwarf(unit) || !isSane(unit))
-        return false;
-
     if (unit->flags1.bits.marauder ||
         unit->flags1.bits.invader_origin ||
         unit->flags1.bits.active_invader ||
         unit->flags1.bits.forest ||
         unit->flags1.bits.merchant ||
-        unit->flags1.bits.diplomat)
+        unit->flags1.bits.diplomat ||
+        unit->flags2.bits.visitor ||
+        unit->flags2.bits.visitor_uninvited ||
+        unit->flags2.bits.underworld ||
+        unit->flags2.bits.resident)
         return false;
 
-    if (unit->flags1.bits.tame)
-        return true;
+    if (!isSane(unit))
+        return false;
 
-    return unit->civ_id == ui->civ_id &&
-           unit->civ_id != -1 &&
-           !unit->flags2.bits.underworld &&
-           !unit->flags2.bits.resident &&
-           !unit->flags2.bits.visitor_uninvited &&
-           !unit->flags2.bits.visitor;
+    return isOwnGroup(unit);
 }
 
 bool Units::isDwarf(df::unit *unit)
@@ -901,7 +897,7 @@ bool Units::isOwnGroup(df::unit* unit)
     for (size_t i = 0; i < histfig->entity_links.size(); i++)
     {
         auto link = histfig->entity_links[i];
-        if (link->entity_id == ui->group_id && (*link).getType() == df::histfig_entity_link_type::MEMBER)
+        if (link->entity_id == ui->group_id && link->getType() == df::histfig_entity_link_type::MEMBER)
             return true;
     }
     return false;
diff --git a/scripts/modtools/force.lua b/scripts/modtools/force.lua
index 2ae5300fa..a1f4ed9d7 100644
--- a/scripts/modtools/force.lua
+++ b/scripts/modtools/force.lua
@@ -6,7 +6,7 @@
 
 modtools/force
 ==============
-This tool triggers events like megabeasts, caravans, invaders, and migrants.
+This tool triggers events like megabeasts, caravans, and migrants.
 
 =end]]
 local utils = require 'utils'
@@ -44,7 +44,6 @@ arguments:
             WildlifeCurious
             WildlifeMischievous
             WildlifeFlier
-            CivAttack
             NightCreature
     -civ entity
         specify the civ of the event, if applicable
@@ -54,7 +53,7 @@ arguments:
             EVIL
             28
 ]])
- print('force: -eventType [Megabeast, Migrants, Caravan, Diplomat, WildlifeCurious, WildlifeMischievous, WildlifeFlier, CivAttack, NightCreature] -civ [player,ENTITY_ID]')
+ print('force: -eventType [Megabeast, Migrants, Caravan, Diplomat, WildlifeCurious, WildlifeMischievous, WildlifeFlier, NightCreature] -civ [player,ENTITY_ID]')
  return
 end
 
@@ -67,7 +66,13 @@ end
 if args.civ == 'player' then
  args.civ = df.historical_entity.find(df.global.ui.civ_id)
 elseif args.civ then
+ local civ = args.civ
  args.civ = findCiv(args.civ)
+ if not args.civ then
+  error('Invalid civ: ' .. civ)
+ end
+elseif args.eventType == 'Caravan' or args.eventType == 'Diplomat' then
+ error('Specify civ for this eventType')
 end
 
 if args.eventType == 'Migrants' then