diff --git a/src/info.c b/src/info.c
index e367e410b..99041f6af 100644
--- a/src/info.c
+++ b/src/info.c
@@ -26291,7 +26291,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 	},
 
 	{           // MT_SYMBOL
-		4095,           // doomednum
+		4094,           // doomednum
 		S_SYMBOL_0,     // spawnstate
 		1000,           // spawnhealth
 		S_NULL,         // seestate
diff --git a/src/p_setup.c b/src/p_setup.c
index 0bd849557..27b771df1 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -7202,7 +7202,7 @@ static void P_ConvertBinaryThingTypes(void)
 		case CEILING_SLOPE_THING:
 			mapthings[i].args[0] = mapthings[i].extrainfo;
 			break;
-		case 4095: // MT_SYMBOL
+		case 4094: // MT_SYMBOL
 			mapthings[i].args[0] = mapthings[i].extrainfo;
 			if (mapthings[i].options & MTF_OBJECTSPECIAL)
 			{