diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/Ghost.java b/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/Ghost.java
index 9ce1c91ca..e16b1eda6 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/Ghost.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/npcs/Ghost.java
@@ -432,7 +432,7 @@ public class Ghost extends Mob.NPC {
 		}
 	}
 
-    public class GnollTrickster extends Gnoll {
+    public static class GnollTrickster extends Gnoll {
         {
             name = "gnoll trickster";
             spriteClass = GnollSprite.class;
@@ -494,7 +494,7 @@ public class Ghost extends Mob.NPC {
 
     }
 
-    public class GreatCrab extends Crab {
+    public static class GreatCrab extends Crab {
         {
             name = "great crab";
             spriteClass = CrabSprite.class;