diff --git a/src/g_doom/a_bossbrain.cpp b/src/g_doom/a_bossbrain.cpp
index d0fb03cbcc..f7bc68080f 100644
--- a/src/g_doom/a_bossbrain.cpp
+++ b/src/g_doom/a_bossbrain.cpp
@@ -120,10 +120,10 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_BrainSpit)
 
 		// Boss cubes should move freely to their destination so it's
 		// probably best to disable all collision detection for them.
-		if (spit->flags & MF_NOCLIP) spit->flags5 |= MF5_NOINTERACTION;
 
 		if (spit != NULL)
 		{
+			if (spit->flags & MF_NOCLIP) spit->flags5 |= MF5_NOINTERACTION;
 			spit->target = targ;
 			spit->master = self;
 			// [RH] Do this correctly for any trajectory. Doom would divide by 0
diff --git a/src/g_doom/a_doomweaps.cpp b/src/g_doom/a_doomweaps.cpp
index f5bf1a8004..23496b99b0 100644
--- a/src/g_doom/a_doomweaps.cpp
+++ b/src/g_doom/a_doomweaps.cpp
@@ -586,7 +586,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_BFGSpray)
 			damage += (pr_bfgspray() & 7) + 1;
 
 		thingToHit = linetarget;
-		P_DamageMobj (thingToHit, self->target, self->target, damage, spray->DamageType);
+		P_DamageMobj (thingToHit, self->target, self->target, damage, spray != NULL? FName(spray->DamageType) : FName(NAME_BFGSplash));
 		P_TraceBleed (damage, thingToHit, self->target);
 	}
 }
diff --git a/src/g_hexen/a_hexenspecialdecs.cpp b/src/g_hexen/a_hexenspecialdecs.cpp
index 9c1fc398db..afca4f190e 100644
--- a/src/g_hexen/a_hexenspecialdecs.cpp
+++ b/src/g_hexen/a_hexenspecialdecs.cpp
@@ -61,9 +61,9 @@ DEFINE_ACTION_FUNCTION(AActor, A_PotteryExplode)
 	for(i = (pr_pottery()&3)+3; i; i--)
 	{
 		mo = Spawn ("PotteryBit", self->x, self->y, self->z, ALLOW_REPLACE);
-		mo->SetState (mo->SpawnState + (pr_pottery()%5));
 		if (mo)
 		{
+			mo->SetState (mo->SpawnState + (pr_pottery()%5));
 			mo->velz = ((pr_pottery()&7)+5)*(3*FRACUNIT/4);
 			mo->velx = (pr_pottery.Random2())<<(FRACBITS-6);
 			mo->vely = (pr_pottery.Random2())<<(FRACBITS-6);