diff --git a/src/p_map.cpp b/src/p_map.cpp
index d63bf18b67..1684ee5341 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -4096,7 +4096,7 @@ static ETraceStatus CheckForActor(FTraceResults &res, void *userdata)
 AActor *P_LineAttack(AActor *t1, DAngle angle, double distance,
 	DAngle pitch, int damage, FName damageType, PClassActor *pufftype, int flags, FTranslatedLineTarget*victim, int *actualdamage)
 {
-	bool nointeract = !!(flags && LAF_NOINTERACT);
+	bool nointeract = !!(flags & LAF_NOINTERACT);
 	DVector3 direction;
 	double shootz;
 	FTraceResults trace;
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 10d0d4498c..7f9a6edfee 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -1690,7 +1690,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CustomBulletAttack)
 			if (!puff)
 			{
 				temp = true;
-				puff = P_LineAttack(self, bangle, range, bslope, 0, NAME_Hitscan, pufftype, laflags | LAF_NOINTERACT);
+				puff = P_LineAttack(self, angle, range, slope, 0, NAME_Hitscan, pufftype, laflags | LAF_NOINTERACT);
 			}
 
 			if (puff && missile)
@@ -1970,7 +1970,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_FireBullets)
 			if (!puff)
 			{
 				temp = true;
-				puff = P_LineAttack(self, bangle, range, bslope, 0, NAME_Hitscan, pufftype, laflags | LAF_NOINTERACT);
+				puff = P_LineAttack(self, angle, range, slope, 0, NAME_Hitscan, pufftype, laflags | LAF_NOINTERACT);
 			}
 			FireBulletMissile(self, missile, puff, angle, Spawnheight, Spawnofs_xy, flags, temp);
 		}