diff --git a/src/info.c b/src/info.c
index 93804b0c..ea9eac9d 100644
--- a/src/info.c
+++ b/src/info.c
@@ -15861,7 +15861,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		100,            // mass
 		1,              // damage
 		sfx_None,       // activesound
-		MF_BOUNCE|MF_FLOAT|MF_NOCLIPTHING|MF_MISSILE|MF_SHOOTABLE|MF_DONTENCOREMAP, // flags
+		MF_NOGRAVITY|MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOCLIPTHING|MF_DONTENCOREMAP, // flags
 		S_NULL          // raisestate
 	},
 
diff --git a/src/p_inter.c b/src/p_inter.c
index 23cf1892..dd27858f 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -588,7 +588,7 @@ void P_TouchSpecialThing(mobj_t *special, mobj_t *toucher, boolean heightcheck)
 
 				if (player->kartstuff[k_invincibilitytimer] > 0 || player->kartstuff[k_growshrinktimer] > 0 || player->kartstuff[k_hyudorotimer] > 0)
 				{
-					player->powers[pw_flashing] = 0;
+					//player->powers[pw_flashing] = 0;
 					K_DropHnextList(player);
 					K_StripItems(player);
 				}
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 4379b958..f71ff209 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -7441,10 +7441,10 @@ void P_MobjThinker(mobj_t *mobj)
 			break;
 		case MT_SSMINE:
 		case MT_SPBEXPLOSION:
-			if (mobj->health > -100)
+			if (mobj->extravalue2 != -100)
 			{
 				P_SetMobjState(mobj, mobj->info->deathstate);
-				mobj->health = -100;
+				mobj->extravalue2 = -100;
 			}
 			else
 			{