diff --git a/caco_summon.zs b/caco_summon.zs
index 19492ba..91c1dbe 100644
--- a/caco_summon.zs
+++ b/caco_summon.zs
@@ -253,21 +253,25 @@ class KiriCacodemonPlushie : HDWeapon {
     {
         // Refuse to feed active monsters.
         if(invoker.spawned_creature || invoker.spawned_spawnball) {
-            invoker.owner.A_Log(
-                String.format(
-                    "Cannot feed blood to %s when they're not in their plushie!",
-                    invoker.getMonsterName()),
-                true);
+            if(invoker.owner) {
+                invoker.owner.A_Log(
+                    String.format(
+                        "Cannot feed blood to %s when they're not in their plushie!",
+                        invoker.getMonsterName()),
+                    true);
+            }
             return;
         }
 
         // Refuse to feed monsters that don't need any more.
         if(invoker.getMonsterHealth() == invoker.getMonsterMaxHealth()) {
-            invoker.owner.A_Log(
-                String.format(
-                    "%s doesn't need any more food for now.",
-                    invoker.getMonsterName()),
-                true);
+            if(invoker.owner) {
+                invoker.owner.A_Log(
+                    String.format(
+                        "%s doesn't need any more food for now.",
+                        invoker.getMonsterName()),
+                    true);
+            }
             return;
         }
 
@@ -457,9 +461,12 @@ class KiriCacodemonPlushie : HDWeapon {
         if(spawned_creature) {
             spawned_creature.A_SpawnItemEx("TeleFog");
             spawned_creature.destroy();
-            owner.A_Log(
-                String.format("%s has returned to the plushie.", getMonsterName()),
-                true);
+
+            if(owner) {
+                owner.A_Log(
+                    String.format("%s has returned to the plushie.", getMonsterName()),
+                    true);
+            }
         }
 
         // Adjust help text because the context changed. Now we can
@@ -527,7 +534,9 @@ class KiriCacodemonPlushie : HDWeapon {
                 if(fainted_monster_despawn_countdown ==
                     KIRI_CACOPLUSHIE_FAINTED_MONSTER_COOLDOWN)
                 {
-                    owner.A_Log(String.format("%s has fainted!", getMonsterName()), true);
+                    if(owner) {
+                        owner.A_Log(String.format("%s has fainted!", getMonsterName()), true);
+                    }
                 }
 
                 // After some number of frames, actually despawn the
@@ -549,11 +558,13 @@ class KiriCacodemonPlushie : HDWeapon {
                     // Shields were totally broken. Extremely low chance
                     // to restore shields each frame.
                     if(frandom(0, 100) < 0.1) {
-                        owner.A_Log(
-                            String.format(
-                                "%s's shields have started charging.",
-                                getMonsterName()),
-                            true);
+                        if(owner) {
+                            owner.A_Log(
+                                String.format(
+                                    "%s's shields have started charging.",
+                                    getMonsterName()),
+                                true);
+                        }
                         setMonsterShield(0);
                     }
 
@@ -587,11 +598,13 @@ class KiriCacodemonPlushie : HDWeapon {
         // spawn.
         if(invoker.getMonsterFainted())
         {
-            invoker.owner.A_Log(
-                String.format(
-                    "%s has fainted and cannot manifest yet.",
-                    invoker.getMonsterName()),
-                true);
+            if(invoker.owner) {
+                invoker.owner.A_Log(
+                    String.format(
+                        "%s has fainted and cannot manifest yet.",
+                        invoker.getMonsterName()),
+                    true);
+            }
 
             spawn_ball.A_SpawnItemEx("TeleFog");
 
@@ -754,9 +767,11 @@ class KiriCacodemonPlushie : HDWeapon {
         } else {
 
             // Tell the player we failed.
-            invoker.owner.A_Log(
-                String.format("Failed to summon %s: Not enough room.", invoker.getMonsterName()),
-                true);
+            if(invoker.owner) {
+                invoker.owner.A_Log(
+                    String.format("Failed to summon %s: Not enough room.", invoker.getMonsterName()),
+                    true);
+            }
 
         }
     }