diff --git a/images/apple/PLASMA-2.1-INST.po b/images/apple/PLASMA-2.1-INST.po
index f30729e..bcd1d0e 100644
Binary files a/images/apple/PLASMA-2.1-INST.po and b/images/apple/PLASMA-2.1-INST.po differ
diff --git a/src/utilsrc/apple/copy.pla b/src/utilsrc/apple/copy.pla
index a767c9d..db886e2 100644
--- a/src/utilsrc/apple/copy.pla
+++ b/src/utilsrc/apple/copy.pla
@@ -226,7 +226,7 @@ if not except(exit)
                 return
             fin
             fileio:iobufalloc(2) // Reserve two I/O buffers
-            if isule(heapavail, MINBUFSIZE + 256)
+            if isule(heapavail, MINBUFSIZE + 4096)
                 puts(" No available memory for copy buffer\n")
                 return
             fin