diff --git a/1.3/Defs/ThingDef/ThingDef_Weapons.xml b/1.3/Defs/ThingDef/ThingDef_Weapons.xml
index 2fb5f8d..98c1ed8 100644
--- a/1.3/Defs/ThingDef/ThingDef_Weapons.xml
+++ b/1.3/Defs/ThingDef/ThingDef_Weapons.xml
@@ -1069,7 +1069,7 @@
         <defaultProjectile>PN_Bullet_RoyalRifle</defaultProjectile>
         <warmupTime>0.7</warmupTime>
         <range>36.9</range>
-        <soundCast>PNRifleSound</soundCast>
+        <soundCast>PNRoyalRifleSound</soundCast>
         <soundCastTail>GunTail_Heavy</soundCastTail>
         <muzzleFlashScale>9</muzzleFlashScale>
         <desc>...</desc>
@@ -1086,7 +1086,7 @@
         <defaultProjectile>PN_Bullet_RoyalRifle</defaultProjectile>
         <warmupTime>2.3</warmupTime>
         <range>44.9</range>
-        <soundCast>PNRifleSound</soundCast>
+        <soundCast>PNRoyalRifleSound</soundCast>
         <soundCastTail>GunTail_Heavy</soundCastTail>
         <muzzleFlashScale>9</muzzleFlashScale>
         <desc>...</desc>