diff --git a/src/p_mobj.c b/src/p_mobj.c
index 2a72acfff..e5b15074f 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -12264,8 +12264,8 @@ void P_PrecipitationEffects(void)
  */
 mobjtype_t P_GetMobjtype(UINT16 mthingtype)
 {
-	INT32 i;
-	for (i = NUMMOBJTYPES-1; i >= 0; i--)
+	mobjtype_t i;
+	for (i = 0; i < NUMMOBJTYPES; i++)
 		if (mthingtype == mobjinfo[i].doomednum)
 			return i;
 	return MT_UNKNOWN;