3 files changed, 3 insertions, 3 deletions
diff --git a/src/com/sneed/pkrandom/romhandlers/Gen2RomHandler.java b/src/com/sneed/pkrandom/romhandlers/Gen2RomHandler.java
index 51aeae9..267a42c 100755
--- a/src/com/sneed/pkrandom/romhandlers/Gen2RomHandler.java
+++ b/src/com/sneed/pkrandom/romhandlers/Gen2RomHandler.java
@@ -1563,7 +1563,7 @@ public class Gen2RomHandler extends AbstractGBCRomHandler {
     @Override
     public List<Pokemon> bannedForWildEncounters() {
         // Ban Unown because they don't show up unless you complete a puzzle in the Ruins of Alph.
-        return Collections.singletonList(pokes[Species.unown]);
+        return new ArrayList<>(Collections.singletonList(pokes[Species.unown]));
     }
 
     @Override
diff --git a/src/com/sneed/pkrandom/romhandlers/Gen3RomHandler.java b/src/com/sneed/pkrandom/romhandlers/Gen3RomHandler.java
index 35961c8..cefb3c4 100755
--- a/src/com/sneed/pkrandom/romhandlers/Gen3RomHandler.java
+++ b/src/com/sneed/pkrandom/romhandlers/Gen3RomHandler.java
@@ -1791,7 +1791,7 @@ public class Gen3RomHandler extends AbstractGBRomHandler {
         if (romEntry.romType == Gen3Constants.RomType_FRLG) {
             // Ban Unown in FRLG because the game crashes if it is encountered outside of Tanoby Ruins.
             // See GenerateWildMon in wild_encounter.c in pokefirered
-            return Collections.singletonList(pokes[Species.unown]);
+            return new ArrayList<>(Collections.singletonList(pokes[Species.unown]));
         }
         return new ArrayList<>();
     }
diff --git a/src/com/sneed/pkrandom/romhandlers/Gen4RomHandler.java b/src/com/sneed/pkrandom/romhandlers/Gen4RomHandler.java
index d3904f8..00d525d 100755
--- a/src/com/sneed/pkrandom/romhandlers/Gen4RomHandler.java
+++ b/src/com/sneed/pkrandom/romhandlers/Gen4RomHandler.java
@@ -3105,7 +3105,7 @@ public class Gen4RomHandler extends AbstractDSRomHandler {
     public List<Pokemon> bannedForWildEncounters() {
         if (romEntry.romType == Gen4Constants.Type_HGSS) {
             // Ban Unown in HGSS because they don't show up unless you complete a puzzle in the Ruins of Alph.
-            return Collections.singletonList(pokes[Species.unown]);
+            return new ArrayList<>(Collections.singletonList(pokes[Species.unown]));
         }
         return new ArrayList<>();
     }