diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 3d05b4a18c..c73a92a268 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -932,6 +932,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusThrust)
 	ACTION_PARAM_INT(force, 0);
 	ACTION_PARAM_FIXED(distance, 1);
 	ACTION_PARAM_BOOL(affectSource, 2);
+	ACTION_PARAM_INT(fullthrustdistance, 3);
 
 	bool sourcenothrust = false;
 
@@ -946,7 +947,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusThrust)
 	}
 	int sourceflags2 = self->target != NULL ? self->target->flags2 : 0;
 
-	P_RadiusAttack (self, self->target, force, distance, self->DamageType, affectSource, false);
+	P_RadiusAttack (self, self->target, force, distance, self->DamageType, affectSource, false, fullthrustdistance);
 	P_CheckSplash(self, distance << FRACBITS);
 
 	if (sourcenothrust)
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index f2e6b78e80..13dd55e762 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -246,7 +246,7 @@ ACTOR Actor native //: Thinker
 	action native A_CustomComboAttack(class<Actor> missiletype, float spawnheight, int damage, sound meleesound = "", name damagetype = "none", bool bleed = true);
 	action native A_Burst(class<Actor> chunktype);
 	action native A_Blast(int flags = 0, int strength = 255, int radius = 255, float speed = 20, class<Actor> blasteffect = "BlastEffect", sound blastsound = "BlastRadius");
-	action native A_RadiusThrust(int force = 128, int distance = -1, bool affectsource = true);
+	action native A_RadiusThrust(int force = 128, int distance = -1, bool affectsource = true, int fullthrustdistance = 0);
 	action native A_Explode(int damage = -1, int distance = -1, bool hurtsource = true, bool alert = false, int fulldamagedistance = 0, int nails = 0, int naildamage = 10);
 	action native A_Stop();
 	action native A_Respawn(int flags = 1);