diff --git a/src/p_mobj.c b/src/p_mobj.c
index a4231fa74..4ed19a9ff 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -2350,6 +2350,7 @@ static void P_RingZMovement(mobj_t *mo)
 	if (mo->eflags & MFE_APPLYPMOMZ && !P_IsObjectOnGround(mo))
 	{
 		mo->momz += mo->pmomz;
+		mo->pmomz = 0;
 		mo->eflags &= ~MFE_APPLYPMOMZ;
 	}
 	mo->z += mo->momz;
@@ -2419,6 +2420,7 @@ static boolean P_ZMovement(mobj_t *mo)
 	if (mo->eflags & MFE_APPLYPMOMZ && !P_IsObjectOnGround(mo))
 	{
 		mo->momz += mo->pmomz;
+		mo->pmomz = 0;
 		mo->eflags &= ~MFE_APPLYPMOMZ;
 	}
 	mo->z += mo->momz;
@@ -2907,6 +2909,7 @@ static void P_PlayerZMovement(mobj_t *mo)
 	if (mo->eflags & MFE_APPLYPMOMZ && !P_IsObjectOnGround(mo))
 	{
 		mo->momz += mo->pmomz;
+		mo->pmomz = 0;
 		mo->eflags &= ~MFE_APPLYPMOMZ;
 	}
 
@@ -3157,6 +3160,7 @@ static boolean P_SceneryZMovement(mobj_t *mo)
 	if (mo->eflags & MFE_APPLYPMOMZ && !P_IsObjectOnGround(mo))
 	{
 		mo->momz += mo->pmomz;
+		mo->pmomz = 0;
 		mo->eflags &= ~MFE_APPLYPMOMZ;
 	}
 	mo->z += mo->momz;
diff --git a/src/p_user.c b/src/p_user.c
index 0c4d25554..fb59efab7 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -4530,16 +4530,14 @@ void P_DoJump(player_t *player, boolean soundandstate)
 		player->mo->z--;
 		if (player->mo->pmomz < 0)
 			player->mo->momz += player->mo->pmomz; // Add the platform's momentum to your jump.
-		else
-			player->mo->pmomz = 0;
+		player->mo->pmomz = 0;
 	}
 	else
 	{
 		player->mo->z++;
 		if (player->mo->pmomz > 0)
 			player->mo->momz += player->mo->pmomz; // Add the platform's momentum to your jump.
-		else
-			player->mo->pmomz = 0;
+		player->mo->pmomz = 0;
 	}
 	player->mo->eflags &= ~MFE_APPLYPMOMZ;