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-rw-r--r--packages/fcl-process/src/processbody.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/packages/fcl-process/src/processbody.inc b/packages/fcl-process/src/processbody.inc
index d07a2839a7..7737162a64 100644
--- a/packages/fcl-process/src/processbody.inc
+++ b/packages/fcl-process/src/processbody.inc
@@ -492,7 +492,7 @@ begin
begin
if (BytesRead + available > DataLength) then
begin
- DataLength:=BytesRead + READ_BYTES;
+ DataLength:=BytesRead + max(READ_BYTES,available);
Setlength(Data,DataLength);
end;
NumBytes := p.Read(data[1+BytesRead], Available);