diff --git a/PLASMA-PRE3.PO b/PLASMA-PRE3.PO
index b161b67..592b9d2 100644
Binary files a/PLASMA-PRE3.PO and b/PLASMA-PRE3.PO differ
diff --git a/src/libsrc/fiber.pla b/src/libsrc/fiber.pla
index 4d3be2d..d098d9a 100644
--- a/src/libsrc/fiber.pla
+++ b/src/libsrc/fiber.pla
@@ -29,7 +29,8 @@ struc t_vm
     word pp
     byte hwsp
     byte esp
-    byte fill[9]
+    byte jmptmp
+    byte fill[8]
     byte dropop
     byte nextop[$10]
     byte hwstk[$C0]
@@ -199,9 +200,10 @@ export def fbrStart(defaddr, param)
             // Initialize stack to point to fiber def and fbrExit
             // This allows a fiber to return and it will fall into fbrExit
             //
-            vmstate->hwsp = $FB
-            vmstate=>$FE  = @fbrExit - 1
-            vmstate=>$FC  = defaddr  - 1
+            vmstate->jmptmp = $4C
+            vmstate->hwsp   = $FB
+            vmstate=>$FE    = @fbrExit - 1
+            vmstate=>$FC    = defaddr  - 1
             //
             // Link into RUN list
             //