diff --git a/polymer/eduke32/source/actors.c b/polymer/eduke32/source/actors.c
index 1110558f7..ae2dbdd7a 100644
--- a/polymer/eduke32/source/actors.c
+++ b/polymer/eduke32/source/actors.c
@@ -4966,7 +4966,8 @@ ACTOR_STATIC void G_MoveMisc(void)  // STATNUM 5
             case NEON5__STATIC:
             case NEON6__STATIC:
 
-                if (tabledivide32_noinline(g_globalRandom, (s->lotag+1)&31) > 4) s->shade = -127;
+                if ((tabledivide32_noinline(g_globalRandom, s->lotag+1)&31) > 4)
+                    s->shade = -127;
                 else s->shade = 127;
                 goto BOLT;
 
@@ -6235,7 +6236,7 @@ ACTOR_STATIC void G_MoveEffectors(void)   //STATNUM 3
 
             //    if(t[5] > 0) { t[5]--; break; }
 
-            if (tabledivide32_noinline(g_globalRandom, (sh+1)&31) < 4 && !t[2])
+            if ((tabledivide32_noinline(g_globalRandom, sh+1)&31) < 4 && !t[2])
             {
                 //       t[5] = 4+(g_globalRandom&7);
                 sc->ceilingpal = s->owner>>8;
@@ -6271,8 +6272,13 @@ ACTOR_STATIC void G_MoveEffectors(void)   //STATNUM 3
         }
 
         case SE_4_RANDOM_LIGHTS:
+        {
+            // See A_Spawn():
+            //  s->owner: original ((ceilingpal<<8) | floorpal)
+            //  t[2]: original floor shade
+            //  t[3]: max wall shade
 
-            if (tabledivide32_noinline(g_globalRandom, (sh+1)&31) < 4)
+            if ((tabledivide32_noinline(g_globalRandom, sh+1)&31) < 4)
             {
                 t[1] = s->shade + (g_globalRandom&15);//Got really bright
                 t[0] = s->shade + (g_globalRandom&15);
@@ -6323,6 +6329,7 @@ ACTOR_STATIC void G_MoveEffectors(void)   //STATNUM 3
                 KILLIT(i);
 
             break;
+        }
 
             //BOSS
         case SE_5: