diff --git a/src/p_mobj.c b/src/p_mobj.c
index 499ff4ff3..1a7c562a7 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -2130,6 +2130,7 @@ 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;
@@ -2207,6 +2208,7 @@ 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;
@@ -2691,6 +2693,7 @@ 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;
 	}
 
@@ -2984,6 +2987,7 @@ 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;