diff --git a/src/p_saveg.c b/src/p_saveg.c
index 73c2cd898..020a5a272 100644
--- a/src/p_saveg.c
+++ b/src/p_saveg.c
@@ -1274,6 +1274,7 @@ typedef enum
 	tc_bouncecheese,
 	tc_startcrumble,
 	tc_marioblock,
+	tc_marioblockchecker,
 	tc_spikesector,
 	tc_floatsector,
 	tc_bridgethinker,
@@ -1589,7 +1590,10 @@ static void SaveSpecialLevelThinker(const thinker_t *th, const UINT8 type)
 	size_t i;
 	WRITEUINT8(save_p, type);
 	for (i = 0; i < 16; i++)
+	{
 		WRITEFIXED(save_p, ht->vars[i]); //var[16]
+		WRITEFIXED(save_p, ht->var2s[i]); //var[16]
+	}
 	WRITEUINT32(save_p, SaveLine(ht->sourceline));
 	WRITEUINT32(save_p, SaveSector(ht->sector));
 }
@@ -2122,6 +2126,11 @@ static void P_NetArchiveThinkers(void)
 			SaveSpecialLevelThinker(th, tc_marioblock);
 			continue;
 		}
+		else if (th->function.acp1 == (actionf_p1)T_MarioBlockChecker)
+		{
+			SaveSpecialLevelThinker(th, tc_marioblockchecker);
+			continue;
+		}
 		else if (th->function.acp1 == (actionf_p1)T_SpikeSector)
 		{
 			SaveSpecialLevelThinker(th, tc_spikesector);
@@ -2517,7 +2526,10 @@ static void LoadSpecialLevelThinker(actionf_p1 thinker, UINT8 floorOrCeiling)
 	size_t i;
 	ht->thinker.function.acp1 = thinker;
 	for (i = 0; i < 16; i++)
+	{
 		ht->vars[i] = READFIXED(save_p); //var[16]
+		ht->var2s[i] = READFIXED(save_p); //var[16]
+	}
 	ht->sourceline = LoadLine(READUINT32(save_p));
 	ht->sector = LoadSector(READUINT32(save_p));
 
@@ -3110,6 +3122,10 @@ static void P_NetUnArchiveThinkers(void)
 				LoadSpecialLevelThinker((actionf_p1)T_MarioBlock, 3);
 				break;
 
+			case tc_marioblockchecker:
+				LoadSpecialLevelThinker((actionf_p1)T_MarioBlockChecker, 0);
+				break;
+
 			case tc_spikesector:
 				LoadSpecialLevelThinker((actionf_p1)T_SpikeSector, 0);
 				break;