diff --git a/test/mechanicaldiff.bats b/test/mechanicaldiff.bats
index d5c2748..acefc62 100755
--- a/test/mechanicaldiff.bats
+++ b/test/mechanicaldiff.bats
@@ -143,6 +143,25 @@ setup() {
   assert_output "$(cat "$BATS_TEST_TMPDIR/diff")"
 }
 
+@test "matches when replacement removes entire line" {
+  cat >"$BATS_TEST_TMPDIR/old" <<-'EOF'
+	alpha
+	foo
+	omega
+	EOF
+  cat >"$BATS_TEST_TMPDIR/new" <<-'EOF'
+	alpha
+	omega
+	EOF
+
+  git diff --no-index "$BATS_TEST_TMPDIR/old" "$BATS_TEST_TMPDIR/new" \
+    >"$BATS_TEST_TMPDIR/diff" || true
+
+  run mechanicaldiff.py foo "" <"$BATS_TEST_TMPDIR/diff"
+  assert_success
+  assert_output "$(cat "$BATS_TEST_TMPDIR/diff")"
+}
+
 @test "ignores leading and trailing blank lines for comparison" {
   cat >"$BATS_TEST_TMPDIR/old" <<-'EOF'