diff --git a/source/games/duke/src/funct.h b/source/games/duke/src/funct.h
index fc05d16eb..c5040e802 100644
--- a/source/games/duke/src/funct.h
+++ b/source/games/duke/src/funct.h
@@ -244,7 +244,7 @@ void dointerpolations(int smoothratio);
 int* animateptr(int i);
 void updateviewport(void);
 
-void backuppos(player_struct* p, bool clipping = true);
+void backuppos(player_struct* p, bool noclipping = false);
 void backuplook(player_struct* p);
 void backupview(player_struct* p);
 
diff --git a/source/games/duke/src/player.cpp b/source/games/duke/src/player.cpp
index b2008d711..7c868c25e 100644
--- a/source/games/duke/src/player.cpp
+++ b/source/games/duke/src/player.cpp
@@ -850,9 +850,9 @@ void applylook(int snum, double factor)
 //
 //---------------------------------------------------------------------------
 
-void backuppos(player_struct* p, bool clipping)
+void backuppos(player_struct* p, bool noclipping)
 {
-	if (clipping)
+	if (!noclipping)
 	{
 		p->oposx = p->posx;
 		p->oposy = p->posy;
diff --git a/source/games/duke/src/player_d.cpp b/source/games/duke/src/player_d.cpp
index 4196490b5..9e7b61e90 100644
--- a/source/games/duke/src/player_d.cpp
+++ b/source/games/duke/src/player_d.cpp
@@ -2746,14 +2746,7 @@ void processinput_d(int snum)
 		ksqrt((p->posx - p->bobposx) * (p->posx - p->bobposx) + (p->posy - p->bobposy) * (p->posy - p->bobposy));
 	if (p->on_ground) p->bobcounter += sprite[p->i].xvel >> 1;
 
-	if (ud.clipping == 0 && (sector[p->cursectnum].floorpicnum == MIRROR || p->cursectnum < 0 || p->cursectnum >= MAXSECTORS))
-	{
-		backuppos(p, false);
-	}
-	else
-	{
-		backuppos(p);
-	}
+	backuppos(p, ud.clipping == 0 && (sector[p->cursectnum].floorpicnum == MIRROR || p->cursectnum < 0 || p->cursectnum >= MAXSECTORS));
 
 	// Shrinking code
 
diff --git a/source/games/duke/src/player_r.cpp b/source/games/duke/src/player_r.cpp
index fa2d8247a..d3f8abbd6 100644
--- a/source/games/duke/src/player_r.cpp
+++ b/source/games/duke/src/player_r.cpp
@@ -3641,14 +3641,7 @@ void processinput_r(int snum)
 		ksqrt((p->posx - p->bobposx) * (p->posx - p->bobposx) + (p->posy - p->bobposy) * (p->posy - p->bobposy));
 	if (p->on_ground) p->bobcounter += sprite[p->i].xvel >> 1;
 
-	if (ud.clipping == 0 && (sector[p->cursectnum].floorpicnum == MIRROR || p->cursectnum < 0 || p->cursectnum >= MAXSECTORS))
-	{
-		backuppos(p, false);
-	}
-	else
-	{
-		backuppos(p);
-	}
+	backuppos(p, ud.clipping == 0 && (sector[p->cursectnum].floorpicnum == MIRROR || p->cursectnum < 0 || p->cursectnum >= MAXSECTORS));
 
 	// Shrinking code