diff --git a/language.version b/language.version
index 0b2d6a7ce..cb7834050 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r499 \cu(Fri 21 May 10:56:24 CEST 2021)\c-";
-SWWM_SHORTVER="\cw0.9.11b-pre r499 \cu(2021-05-21 10:56:24)\c-";
+SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r500 \cu(Sat 22 May 00:36:45 CEST 2021)\c-";
+SWWM_SHORTVER="\cw0.9.11b-pre r500 \cu(2021-05-22 00:36:45)\c-";
diff --git a/zscript/weapons/swwm_splode.zsc b/zscript/weapons/swwm_splode.zsc
index 6c94c2a9d..6e8610341 100644
--- a/zscript/weapons/swwm_splode.zsc
+++ b/zscript/weapons/swwm_splode.zsc
@@ -668,9 +668,7 @@ Class DualExplodiumGun : SWWMWeapon
 
 	override bool CheckAmmo( int firemode, bool autoswitch, bool requireammo, int ammocount )
 	{
-		if ( (firemode == PrimaryFire) || (firemode == AltFire) )
-			return (SisterWeapon&&(SisterWeapon.Amount > 1));
-		return Super.CheckAmmo(firemode,autoswitch,requireammo,ammocount);
+		return (SisterWeapon&&(SisterWeapon.Amount > 1));
 	}
 
 	override bool ReportHUDAmmo()