diff --git a/source/duke3d/src/actors.cpp b/source/duke3d/src/actors.cpp
index 757d3f45c..35148d543 100644
--- a/source/duke3d/src/actors.cpp
+++ b/source/duke3d/src/actors.cpp
@@ -2945,7 +2945,9 @@ ACTOR_STATIC void Proj_MoveCustom(int const spriteNum)
                         {
                             actor[otherSprite].owner  = pSprite->owner;
                             actor[otherSprite].picnum = pSprite->picnum;
-                            actor[otherSprite].extra += pProj->extra;
+
+                            if (pProj->workslike & PROJECTILE_RPG_IMPACT_DAMAGE)
+                                actor[otherSprite].extra += pProj->extra;
 
                             A_DoProjectileEffects(spriteNum, &davect, 0);
 
diff --git a/source/duke3d/src/actors.h b/source/duke3d/src/actors.h
index 05980ac58..c41b2f6b5 100644
--- a/source/duke3d/src/actors.h
+++ b/source/duke3d/src/actors.h
@@ -284,6 +284,7 @@ enum pflags_t
     PROJECTILE_REALCLIPDIST      = 0x00080000,
     PROJECTILE_ACCURATE          = 0x00100000,
     PROJECTILE_NOSETOWNERSHADE   = 0x00200000,
+    PROJECTILE_RPG_IMPACT_DAMAGE = 0x00400000,
     PROJECTILE_MOVED             = 0x80000000,  // internal flag, do not document
     PROJECTILE_TYPE_MASK         = PROJECTILE_HITSCAN | PROJECTILE_RPG | PROJECTILE_KNEE | PROJECTILE_BLOOD,
 };
diff --git a/source/duke3d/src/player.cpp b/source/duke3d/src/player.cpp
index 7174c74f2..92f472c58 100644
--- a/source/duke3d/src/player.cpp
+++ b/source/duke3d/src/player.cpp
@@ -971,8 +971,7 @@ static int A_ShootCustom(int const spriteNum, int const projecTile, int shootAng
                 startPos->y + tabledivide32_noinline(sintable[(shootAng + 348) & 2047], pProj->offset),
                 startPos->z - (1 << 8), projecTile, 0, 14, 14, shootAng, pProj->vel, zvel, spriteNum, 4);
 
-
-            if (pProj->workslike & PROJECTILE_RPG_IMPACT)
+            if (pProj->workslike & PROJECTILE_RPG_IMPACT_DAMAGE)
                 sprite[otherSprite].extra = Proj_GetDamage(pProj);
 
             if (!(pProj->workslike & PROJECTILE_BOUNCESOFFWALLS))