diff --git a/Source/msg.cpp b/Source/msg.cpp
index ff44bcf69..66feb3639 100644
--- a/Source/msg.cpp
+++ b/Source/msg.cpp
@@ -1811,7 +1811,8 @@ DWORD On_SPELLXYD(TCmd *pCmd, int pnum)
 	TCmdLocParam3 *p = (TCmdLocParam3 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam1].sTownSpell) {
+		int spell = p->wParam1;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELLWALL;
 			plr[pnum].destParam1 = p->x;
@@ -1833,7 +1834,8 @@ DWORD On_SPELLXY(TCmd *pCmd, int pnum)
 	TCmdLocParam2 *p = (TCmdLocParam2 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam1].sTownSpell) {
+		int spell = p->wParam1;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELL;
 			plr[pnum].destParam1 = p->x;
@@ -1854,7 +1856,8 @@ DWORD On_TSPELLXY(TCmd *pCmd, int pnum)
 	TCmdLocParam2 *p = (TCmdLocParam2 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam1].sTownSpell) {
+		int spell = p->wParam1;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELL;
 			plr[pnum].destParam1 = p->x;
@@ -1974,7 +1977,8 @@ DWORD On_SPELLID(TCmd *pCmd, int pnum)
 	TCmdParam3 *p = (TCmdParam3 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam2].sTownSpell) {
+		int spell = p->wParam2;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELLMON;
 			plr[pnum].destParam1 = p->wParam1;
@@ -1994,7 +1998,8 @@ DWORD On_SPELLPID(TCmd *pCmd, int pnum)
 	TCmdParam3 *p = (TCmdParam3 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam2].sTownSpell) {
+		int spell = p->wParam2;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELLPLR;
 			plr[pnum].destParam1 = p->wParam1;
@@ -2014,7 +2019,8 @@ DWORD On_TSPELLID(TCmd *pCmd, int pnum)
 	TCmdParam3 *p = (TCmdParam3 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam2].sTownSpell) {
+		int spell = p->wParam2;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELLMON;
 			plr[pnum].destParam1 = p->wParam1;
@@ -2034,7 +2040,8 @@ DWORD On_TSPELLPID(TCmd *pCmd, int pnum)
 	TCmdParam3 *p = (TCmdParam3 *)pCmd;
 
 	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
-		if (currlevel != 0 || spelldata[p->wParam2].sTownSpell) {
+		int spell = p->wParam2;
+		if (currlevel != 0 || spelldata[spell].sTownSpell) {
 			ClrPlrPath(pnum);
 			plr[pnum].destAction = ACTION_SPELLPLR;
 			plr[pnum].destParam1 = p->wParam1;