diff --git a/campgns/ancntkpr_cfgs/rules.cfg b/campgns/ancntkpr_cfgs/rules.cfg
index 6062d0c65..d1d390c84 100644
--- a/campgns/ancntkpr_cfgs/rules.cfg
+++ b/campgns/ancntkpr_cfgs/rules.cfg
@@ -29,7 +29,7 @@ DungeonHeartHealth = 30000
 DungeonHeartHealTime = 8
 DungeonHeartHealHealth = 1
 HeroDoorWaitTime = 200
-PreserveClassicBugs = RESURRECT_FOREVER OVERFLOW_8BIT CLAIM_ROOM_ALL_THINGS RESURRECT_REMOVED NO_HAND_PURGE_ON_DEFEAT MUST_OBEY_KEEPS_NOT_DO_JOBS PASSIVE_NEUTRALS
+PreserveClassicBugs = RESURRECT_FOREVER OVERFLOW_8BIT CLAIM_ROOM_ALL_THINGS RESURRECT_REMOVED NO_HAND_PURGE_ON_DEFEAT MUST_OBEY_KEEPS_NOT_DO_JOBS PASSIVE_NEUTRALS BREAK_NEUTRAL_WALLS
 
 [computer]
 AutoDigLimit = 10
diff --git a/config/fxdata/rules.cfg b/config/fxdata/rules.cfg
index c10157482..3f5c0b087 100644
--- a/config/fxdata/rules.cfg
+++ b/config/fxdata/rules.cfg
@@ -34,7 +34,7 @@ DungeonHeartHealth = 30000
 DungeonHeartHealTime = 8
 DungeonHeartHealHealth = 1
 HeroDoorWaitTime = 200
-; Possible Classic Bugs: RESURRECT_FOREVER, OVERFLOW_8BIT, CLAIM_ROOM_ALL_THINGS, RESURRECT_REMOVED, NO_HAND_PURGE_ON_DEFEAT, MUST_OBEY_KEEPS_NOT_DO_JOBS, PASSIVE_NEUTRALS
+; Possible Classic Bugs: RESURRECT_FOREVER OVERFLOW_8BIT CLAIM_ROOM_ALL_THINGS RESURRECT_REMOVED NO_HAND_PURGE_ON_DEFEAT MUST_OBEY_KEEPS_NOT_DO_JOBS PASSIVE_NEUTRALS BREAK_NEUTRAL_WALLS
 PreserveClassicBugs = 
 
 [computer]
diff --git a/src/config_rules.c b/src/config_rules.c
index d1ac7635a..fcca7b7c0 100644
--- a/src/config_rules.c
+++ b/src/config_rules.c
@@ -77,6 +77,7 @@ const struct NamedCommand rules_game_classicbugs_commands[] = {
   {"NO_HAND_PURGE_ON_DEFEAT",     5},
   {"MUST_OBEY_KEEPS_NOT_DO_JOBS", 6},
   {"PASSIVE_NEUTRALS",            7},
+  {"BREAK_NEUTRAL_WALLS",         8},
   {NULL,                          0},
   };
 
@@ -619,6 +620,11 @@ TbBool parse_rules_game_blocks(char *buf, long len, const char *config_textname,
                   gameadd.classic_bugs_flags |= ClscBug_PassiveNeutrals;
                   n++;
                   break;
+
+              case 8: // BREAK_NEUTRAL_WALLS
+                  gameadd.classic_bugs_flags |= ClscBug_BreakNeutralWalls;
+                  n++;
+                  break;
               default:
                 CONFWRNLOG("Incorrect value of \"%s\" parameter \"%s\" in [%s] block of %s file.",
                     COMMAND_TEXT(cmd_num),word_buf,block_buf,config_textname);
diff --git a/src/game_merge.h b/src/game_merge.h
index fa1d6a5df..af3497835 100644
--- a/src/game_merge.h
+++ b/src/game_merge.h
@@ -66,7 +66,8 @@ enum ClassicBugFlags {
     ClscBug_ResurrectRemoved       = 0x0008,
     ClscBug_NoHandPurgeOnDefeat    = 0x0010,
     ClscBug_MustObeyKeepsNotDoJobs = 0x0020,
-	ClscBug_PassiveNeutrals        = 0x0040,
+    ClscBug_PassiveNeutrals        = 0x0040,
+    ClscBug_BreakNeutralWalls      = 0x0080,
 };
 
 /******************************************************************************/
diff --git a/src/thing_shots.c b/src/thing_shots.c
index aad8b0ce7..5ed720c0c 100644
--- a/src/thing_shots.c
+++ b/src/thing_shots.c
@@ -288,18 +288,28 @@ void process_dig_shot_hit_wall(struct Thing *thing, unsigned long blocked_flags)
     slb = get_slabmap_for_subtile(stl_x, stl_y);
 
     // You can only dig your own tiles or non-fortified neutral ground (dirt/gold)
-    // If you're not the tile owner
-    if (slabmap_owner(slb) != diggertng->owner)
-    {
-        struct SlabAttr *slbattr;
-        slbattr = get_slab_attrs(slb);
-        // and if it's fortified
-        if (slbattr->category == SlbAtCtg_FortifiedWall)
-        {
-            // digging not allowed
-            return;
-        }
-    }
+    // If you're not the tile owner, unless the classic bug mode is enabled.
+	if (!(gameadd.classic_bugs_flags & ClscBug_BreakNeutralWalls))
+	{
+		if (slabmap_owner(slb) != diggertng->owner)
+		{
+			struct SlabAttr *slbattr;
+			slbattr = get_slab_attrs(slb);
+			// and if it's fortified
+			if (slbattr->category == SlbAtCtg_FortifiedWall)
+			{
+				// digging not allowed
+				return;
+			}
+		}
+	}
+	else
+	{
+		if ((slabmap_owner(slb) != game.neutral_player_num) && (slabmap_owner(slb) != diggertng->owner))
+		{
+			return;
+		}
+	}
 
     struct Map *mapblk;
     mapblk = get_map_block_at(stl_x, stl_y);