diff --git a/common/rc b/common/rc
index 919028ef..b18cf61e 100644
--- a/common/rc
+++ b/common/rc
@@ -628,7 +628,7 @@ _ext4_metadump()
 	test -n "$E2IMAGE_PROG" || _fail "e2image not installed"
 	$E2IMAGE_PROG -Q "$device" "$dumpfile"
 	[ "$compressopt" = "compress" ] && [ -n "$DUMP_COMPRESSOR" ] &&
-		$DUMP_COMPRESSOR "$dumpfile" &>> "$seqres.full"
+		$DUMP_COMPRESSOR -f "$dumpfile" &>> "$seqres.full"
 }
 
 _test_mkfs()
diff --git a/common/xfs b/common/xfs
index 0ec5b03c..725819bd 100644
--- a/common/xfs
+++ b/common/xfs
@@ -478,7 +478,7 @@ _xfs_metadump() {
 	$XFS_METADUMP_PROG $options "$device" "$metadump"
 	res=$?
 	[ "$compressopt" = "compress" ] && [ -n "$DUMP_COMPRESSOR" ] &&
-		$DUMP_COMPRESSOR "$metadump" &> /dev/null
+		$DUMP_COMPRESSOR -f "$metadump" &> /dev/null
 	return $res
 }