diff --git a/src/constants.a b/src/constants.a
index cf885fa11..918f2bf4b 100644
--- a/src/constants.a
+++ b/src/constants.a
@@ -148,9 +148,9 @@ CHEATS_ENABLED = %00001000
 ; shared symbols for prelaunch and effects to call ProRWTS2 functions
 iCurBlockLo    = $D401               ; constant
 iCurBlockHi    = $D403               ; constant
-launchpatch    = $D657               ; glue.launch.a
+launchpatch    = $D661               ; glue.launch.a
 iAddToPath     = $FE5C               ; Roger Rabbit, avoid, use Infiltrator 2 style instead
-itraverse      = $D94E               ; Roger Rabbit, avoid, use Infiltrator 2 style instead
+itraverse      = $D958               ; Roger Rabbit, avoid, use Infiltrator 2 style instead
 ldrlo          = $55                 ; constant
 ldrhi          = $56                 ; constant
 namlo          = $57                 ; constant
diff --git a/src/prorwts2.a b/src/prorwts2.a
index 48117d237..e4e32a9a2 100644
--- a/src/prorwts2.a
+++ b/src/prorwts2.a
@@ -230,6 +230,7 @@ ver_02 = 1
                 KEY_POINTER = $11       ;ProDOS constant
                 EOF_LO    = $15         ;ProDOS constant
                 EOF_HI    = $16         ;ProDOS constant
+                EOF_HI2   = $17         ;ProDOS constant
                 AUX_TYPE  = $1f         ;ProDOS constant
                 ENTRY_SIZE = $27        ;ProDOS constant
                 NEXT_BLOCK_LO = $2      ;ProDOS constant
@@ -2687,7 +2688,15 @@ pathpatch2
   !if (bounds_check + return_size + one_shot) > 0 {
                 ;cache EOF (file size, loaded backwards)
 
-                ldy     #EOF_HI
+                ldy     #EOF_HI2
+                lda     (scratchlo), y
+                beq     not48
+                lda     #$ff
+                tax
+                bne     +
+                
+not48
+                dey
                 lda     (scratchlo), y
     !if (enable_write + aligned_read) > 0 {
                 tax