diff --git a/src/info.c b/src/info.c
index 72720c807..e367e410b 100644
--- a/src/info.c
+++ b/src/info.c
@@ -26291,7 +26291,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 	},
 
 	{           // MT_SYMBOL
-		-1,             // doomednum
+		4095,           // doomednum
 		S_SYMBOL_0,     // spawnstate
 		1000,           // spawnhealth
 		S_NULL,         // seestate
diff --git a/src/p_setup.c b/src/p_setup.c
index f6f587e1b..0bd849557 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -7202,6 +7202,14 @@ static void P_ConvertBinaryThingTypes(void)
 		case CEILING_SLOPE_THING:
 			mapthings[i].args[0] = mapthings[i].extrainfo;
 			break;
+		case 4095: // MT_SYMBOL
+			mapthings[i].args[0] = mapthings[i].extrainfo;
+			if (mapthings[i].options & MTF_OBJECTSPECIAL)
+			{
+				// Special = add 16 to the symbol type
+				mapthings[i].args[0] += 16;
+			}
+			break;
 		default:
 			break;
 		}