diff --git a/afpbridge.c b/afpbridge.c
index 9160032..9303436 100644
--- a/afpbridge.c
+++ b/afpbridge.c
@@ -12,6 +12,7 @@
 #include "installcmds.h"
 #include "aspinterface.h"
 #include "asmglue.h"
+#include "cmdproc.h"
 
 const char bootInfoString[] = "AFPBridge             v1.0b1";
 LongWord version = 0x01006001;      /* in rVersion format */
@@ -69,6 +70,7 @@ int main(void) {
     FSTInfoRecGS fstInfoRec;
     NotifyProcRecGS addNotifyProcRec;
     VersionMessageRec versionMessageRec;
+    PFIHooksRec pfiHooksRec;
 
     /*
      * Check for presence of AppleShare FST.  We error out and unload
@@ -137,6 +139,21 @@ int main(void) {
     oldSoftReset = *SoftResetPtr;
     *SoftResetPtr = ((LongWord)&resetRoutine << 8) | JML;
     
+    /*
+     * Install our own attention vector that bypasses the one in the
+     * ATalk driver in problematic cases (for session number > 8).
+     */
+    pfiHooksRec.async = 0;
+    pfiHooksRec.command = pfiHooksCommand;
+    pfiHooksRec.hookFlag = 0;      /* get GS/OS hooks */
+    _CALLAT(&pfiHooksRec);
+    if (pfiHooksRec.result == 0) {
+        jmlOldAttentionVec = (pfiHooksRec.attentionVector << 8) | JML;
+        pfiHooksRec.attentionVector = (LongWord)&attentionVec;
+        pfiHooksRec.hookFlag = pfiHooksSetHooks;    /* set GS/OS hooks */
+        _CALLAT(&pfiHooksRec);
+    }
+    
     return;
 
 error:
diff --git a/cmdproc.asm b/cmdproc.asm
index 5ad3d93..7483b7c 100644
--- a/cmdproc.asm
+++ b/cmdproc.asm
@@ -1,6 +1,8 @@
 	case	on
 	mcopy	cmdproc.macros
 
+SESSION_NUM_START gequ $F8
+
 RamGoComp gequ	$E1100C
 RamForbid gequ	$E11018
 RamPermit gequ	$E1101C
@@ -128,3 +130,29 @@ skip	jsl	RamPermit
 	plb
 	rtl
 	end
+
+* Replacement attention vector to be called from PFI.
+* This calls the previous attention vector (from the ATalk driver) for ASP
+* sessions (numbered 1-8), but not for the higher-numbered DSI sessions.
+* This is needed because ATalk's attention vector is hard-coded for session
+* numbers 1-8 only and trashes memory when called with higher numbers.
+attentionVec start
+	phd
+	phy
+	phx
+	tsc
+	tcd
+	lda	[1]
+	plx
+	ply
+	pld
+	
+	and	#$00FF
+	cmp	#SESSION_NUM_START
+	bge	skip
+jmlOldAttentionVec entry
+	jml	attentionVec	;to be changed to old attention vec
+skip	clc
+	rtl
+	end
+
diff --git a/cmdproc.h b/cmdproc.h
index e49a316..aaa8af1 100644
--- a/cmdproc.h
+++ b/cmdproc.h
@@ -13,4 +13,7 @@ void pfiListSessions2CmdProc(void);
 extern LongWord jslOldPFIListSessions2;
 void CallCompletionRoutine(void *);
 
+extern void attentionVec(void);
+extern LongWord jmlOldAttentionVec;
+
 #endif