diff --git a/packages/base/all/initrds/loader-initrd-files/src/bin/swiprep b/packages/base/all/initrds/loader-initrd-files/src/bin/swiprep
index 00c40770..1e78e828 100755
--- a/packages/base/all/initrds/loader-initrd-files/src/bin/swiprep
+++ b/packages/base/all/initrds/loader-initrd-files/src/bin/swiprep
@@ -185,7 +185,7 @@ fi
 
 # If there is a SWI version file put it in /etc/onl/swi_version
 unzip -oq "$swipath" version > "$workdir/version"
-if test -f "$workdir/version"; then
+if test -s "$workdir/version"; then
   cp "$workdir/version" "$destdir/etc/onl/swi_version"
 fi