diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 3e7146abb..472899e20 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -4333,12 +4333,11 @@ void handle_se27(DDukeActor* actor)
 //
 //---------------------------------------------------------------------------
 
-void handle_se24(DDukeActor *actor, bool scroll, int shift)
+void handle_se24(DDukeActor *actor, bool scroll, double mult)
 {
 	if (actor->temp_data[4]) return;
 
-	int x = MulScale(actor->spr.yint, bcos(actor->int_ang()), 18);
-	int y = MulScale(actor->spr.yint, bsin(actor->int_ang()), 18);
+	auto vec = actor->spr.angle.ToVector() * actor->spr.yint / 256.;
 
 	DukeSectIterator it(actor->sector());
 	while (auto a2 = it.Next())
@@ -4363,7 +4362,7 @@ void handle_se24(DDukeActor *actor, bool scroll, int shift)
 
 				if (a2->spr.pos.Z > a2->floorz - 16)
 				{
-					a2->add_int_pos({ x >> shift , y >> shift, 0 });
+					a2->spr.pos += vec * mult;
 
 					SetActor(a2, a2->spr.pos);
 
@@ -4382,8 +4381,7 @@ void handle_se24(DDukeActor *actor, bool scroll, int shift)
 		{
 			if (abs(ps[p].pos.Z - ps[p].truefz) < gs.playerheight + 9)
 			{
-				ps[p].fric.X += x * (1. / 64.);
-				ps[p].fric.Y += y * (1. / 64.);
+				ps[p].fric += vec * (1. / 4.);
 			}
 		}
 	}
diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index 605e1c8b9..70e3d00cd 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -3383,7 +3383,7 @@ void moveeffectors_d(void)   //STATNUM 3
 		case SE_24_CONVEYOR:
 		case SE_34:
 		{
-			handle_se24(act, true, 2);
+			handle_se24(act, true, 0.25);
 			break;
 		}
 		case SE_35:
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index 894345db9..1c0310ba6 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -3332,13 +3332,13 @@ void moveeffectors_r(void)   //STATNUM 3
 			handle_se22(act);
 			break;
 
-		case 156:
+		case SE_156_CONVEYOR_NOSCROLL:
 			if (!isRRRA()) break;
 			[[fallthrough]];
 		case SE_24_CONVEYOR:
 		case SE_34:
 		{
-			handle_se24(act, st != SE_156_CONVEYOR_NOSCROLL, 1);
+			handle_se24(act, st != SE_156_CONVEYOR_NOSCROLL, 0.5);
 			break;
 		}
 
diff --git a/source/games/duke/src/funct.h b/source/games/duke/src/funct.h
index 1dd6070d6..e3b23542b 100644
--- a/source/games/duke/src/funct.h
+++ b/source/games/duke/src/funct.h
@@ -85,7 +85,7 @@ void handle_se19(DDukeActor* i, int BIGFORCE);
 void handle_se20(DDukeActor* i);
 void handle_se21(DDukeActor* i);
 void handle_se22(DDukeActor* i);
-void handle_se24(DDukeActor* actor, bool scroll, int shift);
+void handle_se24(DDukeActor* actor, bool scroll, double shift);
 void handle_se25(DDukeActor* a, int snd1, int snd2);
 void handle_se26(DDukeActor* i);
 void handle_se27(DDukeActor* i);