diff --git a/source/games/duke/src/player_d.cpp b/source/games/duke/src/player_d.cpp
index 7c2619da1..663b23aa7 100644
--- a/source/games/duke/src/player_d.cpp
+++ b/source/games/duke/src/player_d.cpp
@@ -1867,7 +1867,7 @@ static void movement(int snum, ESyncBits actions, sectortype* psect, int fz, int
 
 		p->on_warping_sector = 0;
 
-		if ((actions & SB_CROUCH) || crouch_toggle)
+		if ((actions & SB_CROUCH) || crouch_toggle)	// FIXME: The crouch_toggle check here is not network safe and needs revision when multiplayer is going.
 		{
 			playerCrouch(snum);
 		}
diff --git a/source/games/duke/src/player_r.cpp b/source/games/duke/src/player_r.cpp
index 4b2428207..fd260e7d4 100644
--- a/source/games/duke/src/player_r.cpp
+++ b/source/games/duke/src/player_r.cpp
@@ -2228,7 +2228,7 @@ static void movement(int snum, ESyncBits actions, sectortype* psect, int fz, int
 
 		p->on_warping_sector = 0;
 
-		if (((actions & SB_CROUCH) || crouch_toggle) && !p->OnMotorcycle)
+		if (((actions & SB_CROUCH) || crouch_toggle) && !p->OnMotorcycle)	// FIXME: The crouch_toggle check here is not network safe and needs revision when multiplayer is going.
 		{
 			playerCrouch(snum);
 		}