diff --git a/tests/j_corrupt_ext_jnl_sb_block/script b/tests/j_corrupt_ext_jnl_sb_block/script
index 02b8e650..11d3001b 100644
--- a/tests/j_corrupt_ext_jnl_sb_block/script
+++ b/tests/j_corrupt_ext_jnl_sb_block/script
@@ -9,7 +9,7 @@ fi
 
 cp /dev/null $OUT
 
-bzip2 -dc < $test_dir/image.tar.bz2 | tar x
+bzip2 -dc < $test_dir/image.tar.bz2 | tar xf -
 test -d "$JOURNAL_DUMP_DIR" -a -w "$JOURNAL_DUMP_DIR" && cp $test_name.img "$JOURNAL_DUMP_DIR/$test_name.img"
 test -d "$JOURNAL_DUMP_DIR" -a -w "$JOURNAL_DUMP_DIR" && cp $test_name.img.jnl "$JOURNAL_DUMP_DIR/$test_name.img.jnl"
 
diff --git a/tests/j_corrupt_ext_jnl_sb_csum/script b/tests/j_corrupt_ext_jnl_sb_csum/script
index 7a110bfa..45ddf6f4 100644
--- a/tests/j_corrupt_ext_jnl_sb_csum/script
+++ b/tests/j_corrupt_ext_jnl_sb_csum/script
@@ -9,7 +9,7 @@ fi
 
 cp /dev/null $OUT
 
-bzip2 -dc < $test_dir/image.tar.bz2 | tar x
+bzip2 -dc < $test_dir/image.tar.bz2 | tar xf -
 test -d "$JOURNAL_DUMP_DIR" -a -w "$JOURNAL_DUMP_DIR" && cp $test_name.img "$JOURNAL_DUMP_DIR/$test_name.img"
 test -d "$JOURNAL_DUMP_DIR" -a -w "$JOURNAL_DUMP_DIR" && cp $test_name.img.jnl "$JOURNAL_DUMP_DIR/$test_name.img.jnl"