diff --git a/images/apple/PLASMA-2.1-INST.po b/images/apple/PLASMA-2.1-INST.po
index f7303d8..67ba95f 100644
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diff --git a/images/apple/PLASMA-2.1.po b/images/apple/PLASMA-2.1.po
index e9b2c21..c6d8067 100644
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diff --git a/images/apple/PLASMA2.2mg b/images/apple/PLASMA2.2mg
index 3d35bd2..84e40af 100644
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diff --git a/images/apple/PLFORTH.PO b/images/apple/PLFORTH.PO
index 35ad29c..2050f62 100644
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diff --git a/images/apple/apple3.hd b/images/apple/apple3.hd
index d0627f2..2eca199 100644
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diff --git a/src/toolsrc/plforth.pla b/src/toolsrc/plforth.pla
index 0252c3c..3f40921 100644
--- a/src/toolsrc/plforth.pla
+++ b/src/toolsrc/plforth.pla
@@ -1210,7 +1210,7 @@ def _fill_(a,b,c)#0
   memset(a, c | (c << 8), b)
 end
 def _pad_#1
-  return heapmark + 512
+  return heapmark + 768 // Make sure to avoid JIT heap usage
 end
 def _trailing_(a,b)#2
   while b and ^(a + b - 1) == ' '