diff --git a/src/p_map.cpp b/src/p_map.cpp
index 1aa762dbd..6f3f01cf4 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -5136,7 +5136,8 @@ void P_RailAttack(FRailParams *p)
 			if (puffDefaults->flags3 & MF3_FOILINVUL) dmgFlagPass |= DMG_FOILINVUL;
 			if (puffDefaults->flags7 & MF7_FOILBUDDHA) dmgFlagPass |= DMG_FOILBUDDHA;
 		}
-		int newdam = P_DamageMobj(hitactor, thepuff ? thepuff : source, source, p->damage, damagetype, dmgFlagPass|DMG_USEANGLE, hitangle);
+		// [RK] If the attack source is a player, send the DMG_PLAYERATTACK flag.
+		int newdam = P_DamageMobj(hitactor, thepuff ? thepuff : source, source, p->damage, damagetype, dmgFlagPass | DMG_USEANGLE | (source->player ? DMG_PLAYERATTACK : 0), hitangle);
 
 		if (bleed)
 		{