diff --git a/src/spcwar/spcwar.165 b/src/spcwar/spcwar.166
similarity index 99%
rename from src/spcwar/spcwar.165
rename to src/spcwar/spcwar.166
index 67428c79..e6e2fece 100644
--- a/src/spcwar/spcwar.165
+++ b/src/spcwar/spcwar.166
@@ -1334,11 +1334,10 @@ IFN $ITS,[
 	SETZ MP1,
 ML1:	SKIPN OBJFLG(MP1)
 	 JRST MQ1			;object is not active
-	SKIPG C,OBJFLG(MP1)
-	 JRST MQ4			;object is not collideable
 	MOVEI MP2,1(MP1)		;start with objects after this one
-ML2:	SKIPG D,OBJFLG(MP2)
-	 JRST MQ2B			;obj cannot collide
+ML2:	SKIPLE C,OBJFLG(MP1)
+	 SKIPG D,OBJFLG(MP2)
+	  JRST MQ2B			;obj cannot collide
 	MOVE A,OBJX(MP1)			;compute distance between them
 	FSBR A,OBJX(MP2)
 	MOVM A,A
@@ -1357,7 +1356,6 @@ ML2:	SKIPG D,OBJFLG(MP2)
 
 	; Collision! - find types
 
-	PUSH P,C
 	PUSH P,MP1
 	PUSH P,MP2
 	HLRZS C
@@ -1371,13 +1369,12 @@ ML2:	SKIPG D,OBJFLG(MP2)
 	PUSHJ P,@COLTBL(C)		;VECTOR TO APPROPRIATE RTN
 	POP P,MP2
 	POP P,MP1
-	POP P,C
 
 MQ2B:	CAIGE MP2,OBJCTS-1			;check for more collisions here
 	 AOJA MP2,ML2			;go do more collisions for this object
 
 	;now create display list for object
-MQ4:	SKIPE A,OBJFLG(MP1)		;in case object was removed in coll.
+	SKIPE A,OBJFLG(MP1)		;in case object was removed in coll.
 	 PUSHJ P,(A)			;make the list and other random functions
 MQ1:	CAIGE MP1,OBJCTS-2			;next to last object
 	 AOJA MP1,ML1			; no - continue