diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 04d9e311e..ccce5da8c 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -4505,7 +4505,7 @@ void handle_se27(DDukeActor* actor)
 //
 //---------------------------------------------------------------------------
 
-void handle_se24(DDukeActor *actor, int16_t *list1, int16_t *list2, int TRIPBOMB, int LASERLINE, int CRANE, int shift)
+void handle_se24(DDukeActor *actor, int16_t *list1, int16_t *list2, bool scroll, int TRIPBOMB, int LASERLINE, int CRANE, int shift)
 {
 	int* t = &actor->temp_data[0];
 
@@ -4575,7 +4575,7 @@ void handle_se24(DDukeActor *actor, int16_t *list1, int16_t *list2, int TRIPBOMB
 			}
 		}
 	}
-	sector[actor->s.sectnum].addfloorxpan(actor->s.yvel / 128.f);
+	if (scroll) sector[actor->s.sectnum].addfloorxpan(actor->s.yvel / 128.f);
 }
 
 //---------------------------------------------------------------------------
diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index 3ceaf8ed2..308866bd8 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -3697,7 +3697,7 @@ void moveeffectors_d(void)   //STATNUM 3
 		{
 			static int16_t list1[] = { BLOODPOOL, PUKE, FOOTPRINTS, FOOTPRINTS2, FOOTPRINTS3, FOOTPRINTS4, BULLETHOLE, BLOODSPLAT1, BLOODSPLAT2, BLOODSPLAT3, BLOODSPLAT4, -1 };
 			static int16_t list2[] = { BOLT1, BOLT1 + 1,BOLT1 + 2, BOLT1 + 3, SIDEBOLT1, SIDEBOLT1 + 1, SIDEBOLT1 + 2, SIDEBOLT1 + 3, -1 };
-			handle_se24(act, list1, list2, TRIPBOMB, LASERLINE, CRANE, 2);
+			handle_se24(act, list1, list2, false, TRIPBOMB, LASERLINE, CRANE, 2);
 			break;
 		}
 		case SE_35:
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index a6935be5a..f4988af0d 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -3576,7 +3576,7 @@ void moveeffectors_r(void)   //STATNUM 3
 		{
 			static int16_t list1[] = { BLOODPOOL, PUKE, FOOTPRINTS, FOOTPRINTS2, FOOTPRINTS3, -1 };
 			static int16_t list2[] = { BOLT1, BOLT1 + 1,BOLT1 + 2, BOLT1 + 3, -1 };
-			handle_se24(act, list1, list2, BULLETHOLE, -1, CRANE, 1);
+			handle_se24(act, list1, list2, st != 156, BULLETHOLE, -1, CRANE, 1);
 			break;
 		}
 
diff --git a/source/games/duke/src/funct.h b/source/games/duke/src/funct.h
index 29a56af54..1785fabce 100644
--- a/source/games/duke/src/funct.h
+++ b/source/games/duke/src/funct.h
@@ -84,7 +84,7 @@ 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, int16_t* list1, int16_t* list2, int TRIPBOMB, int LASERLINE, int CRANE, int shift);
+void handle_se24(DDukeActor* actor, int16_t* list1, int16_t* list2, bool scroll, int TRIPBOMB, int LASERLINE, int CRANE, int shift);
 void handle_se25(DDukeActor* a, int t_index, int snd1, int snd2);
 void handle_se26(DDukeActor* i);
 void handle_se27(DDukeActor* i);
diff --git a/source/games/duke/src/spawn.cpp b/source/games/duke/src/spawn.cpp
index 1a85073a5..11f64ca7d 100644
--- a/source/games/duke/src/spawn.cpp
+++ b/source/games/duke/src/spawn.cpp
@@ -785,7 +785,8 @@ void spawneffector(DDukeActor* actor)
 			break;
 		}
 		case 156:
-			if (!isRRRA()) break;
+			break;
+
 		case 34:
 			StartInterpolation(sect, Interp_Sect_FloorPanX);
 			break;