diff --git a/src/actor.h b/src/actor.h
index 05a7c0965..bcb894071 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -800,6 +800,7 @@ public:
 	SDWORD			tics;				// state tic counter
 	FState			*state;
 	SDWORD			Damage;			// For missiles and monster railgun
+	int				projectileKickback;
 	DWORD			flags;
 	DWORD			flags2;			// Heretic flags
 	DWORD			flags3;			// [RH] Hexen/Heretic actor-dependant behavior made flaggable
diff --git a/src/p_interaction.cpp b/src/p_interaction.cpp
index 0306f866a..c8dca95ec 100644
--- a/src/p_interaction.cpp
+++ b/src/p_interaction.cpp
@@ -1029,7 +1029,9 @@ void P_DamageMobj (AActor *target, AActor *inflictor, AActor *source, int damage
 	{
 		int kickback;
 
-		if (!source || !source->player || !source->player->ReadyWeapon)
+		if (inflictor && inflictor->projectileKickback)
+			kickback = inflictor->projectileKickback;
+		else if (!source || !source->player || !source->player->ReadyWeapon)
 			kickback = gameinfo.defKickback;
 		else
 			kickback = source->player->ReadyWeapon->Kickback;
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index eba8ce570..5592e87b8 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -227,8 +227,12 @@ void AActor::Serialize (FArchive &arc)
 		<< velz
 		<< tics
 		<< state
-		<< Damage
-		<< flags
+		<< Damage;
+	if (SaveVersion >= 3227)
+	{
+		arc << projectileKickback;
+	}
+	arc	<< flags
 		<< flags2
 		<< flags3
 		<< flags4
diff --git a/src/thingdef/thingdef_properties.cpp b/src/thingdef/thingdef_properties.cpp
index b7a352ed6..8e94e7817 100644
--- a/src/thingdef/thingdef_properties.cpp
+++ b/src/thingdef/thingdef_properties.cpp
@@ -447,6 +447,16 @@ DEFINE_PROPERTY(damage, X, Actor)
 	defaults->Damage = id;
 }
 
+//==========================================================================
+//
+//==========================================================================
+DEFINE_PROPERTY(projectilekickback, I, Actor)
+{
+	PROP_INT_PARM(id, 0);
+
+	defaults->projectileKickback = id;
+}
+
 //==========================================================================
 //
 //==========================================================================