1 files changed, 4 insertions, 2 deletions
diff --git a/crawl-ref/source/beam.cc b/crawl-ref/source/beam.cc
index 91a9c88d47..744a90480f 100644
--- a/crawl-ref/source/beam.cc
+++ b/crawl-ref/source/beam.cc
@@ -4734,8 +4734,10 @@ mon_resist_type bolt::try_enchant_monster(monsters *mon)
     {
         if (mons_immune_magic(mon))
             return (MON_UNAFFECTED);
-        if (check_mons_resist_magic(mon, ench_power))
-            return (MON_RESIST);
+        
+        if (flavour != BEAM_POLYMORPH || !mons_is_shapeshifter(mon))
+            if (check_mons_resist_magic(mon, ench_power))
+                return (MON_RESIST);
     }
 
     return (apply_enchantment_to_monster(mon));