diff --git a/language.version b/language.version
index 5a0aff1bc..48baa1118 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r760 \cu(Wed 15 Feb 16:59:12 CET 2023)\c-";
-SWWM_SHORTVER="\cw1.3pre r760 \cu(2023-02-15 16:59:12)\c-";
+SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r761 \cu(Wed 15 Feb 18:48:56 CET 2023)\c-";
+SWWM_SHORTVER="\cw1.3pre r761 \cu(2023-02-15 18:48:56)\c-";
diff --git a/zscript/items/swwm_powerups.zsc b/zscript/items/swwm_powerups.zsc
index 8c305db49..e34bfaf75 100644
--- a/zscript/items/swwm_powerups.zsc
+++ b/zscript/items/swwm_powerups.zsc
@@ -330,7 +330,7 @@ Class GhostPower : Powerup
 
 	Actor snd;
 
-	bool bSavedInvisible, bSavedCantSeek, bSavedShadow, bSavedVisAlwaysFail;
+	bool bSavedInvisible, bSavedCantSeek, bSavedShadow, bSavedMVisBlocked;
 
 	Default
 	{
@@ -347,11 +347,11 @@ Class GhostPower : Powerup
 		bSavedInvisible = Owner.bINVISIBLE;
 		bSavedCantSeek = Owner.bCANTSEEK;
 		bSavedShadow = Owner.bSHADOW;
-		bSavedVisAlwaysFail = Owner.bVISALWAYSFAIL;
+		bSavedMVisBlocked = Owner.bMVISBLOCKED;
 		Owner.bINVISIBLE = true;	// makes sure player doesn't render while still keeping psprites intact
 		Owner.bCANTSEEK = true;		// seeking missiles don't track
 		Owner.bSHADOW = true;		// monsters don't aim straight
-		Owner.bVISALWAYSFAIL = true;	// ensure full invisibility
+		Owner.bMVISBLOCKED = true;	// ensure full invisibility
 		SWWMHandler.DoFlash(Owner,Color(96,224,192,255),20);
 		if ( Owner is 'Demolitionist' )
 			Demolitionist(Owner).lastbump *= 1.04;
@@ -364,7 +364,7 @@ Class GhostPower : Powerup
 		Owner.bINVISIBLE = bSavedInvisible;
 		Owner.bCANTSEEK = bSavedCantSeek;
 		Owner.bSHADOW = bSavedShadow;
-		Owner.bVISALWAYSFAIL = bSavedVisAlwaysFail;
+		Owner.bMVISBLOCKED = bSavedMVisBlocked;
 		Owner.A_StartSound("powerup/ghostend",CHAN_ITEMEXTRA,CHANF_OVERLAP);
 		SWWMHandler.DoFlash(Owner,Color(96,224,192,255),20);
 		if ( Owner is 'Demolitionist' )