1 files changed, 7 insertions, 3 deletions
diff --git a/crawl-ref/source/mon-abil.cc b/crawl-ref/source/mon-abil.cc
index ed8b22d55c..6cd1f2961e 100644
--- a/crawl-ref/source/mon-abil.cc
+++ b/crawl-ref/source/mon-abil.cc
@@ -13,6 +13,7 @@
 #include <conio.h>
 #endif
 
+#include "arena.h"
 #include "beam.h"
 #include "colour.h"
 #include "directn.h"
@@ -196,14 +197,14 @@ static bool _do_split(monsters *thing, coord_def & target)
 
     monsters *new_slime = &env.mons[slime_idx];
 
+    if (!new_slime)
+        return (false);
+
     // Inflict the new slime with any enchantments on the parent.
     _split_ench_durations(thing, new_slime);
     new_slime->attitude = thing->attitude;
     new_slime->flags = thing->flags;
 
-    if (!new_slime)
-        return (false);
-
     if (you.can_see(thing))
         mprf("%s splits.", thing->name(DESC_CAP_A).c_str());
 
@@ -218,6 +219,9 @@ static bool _do_split(monsters *thing, coord_def & target)
     _stats_from_blob_count(thing, hp_per_blob);
     _stats_from_blob_count(new_slime, hp_per_blob);
 
+    if (crawl_state.arena)
+        arena_split_monster(thing, new_slime);
+
     return (true);
 }